diff --git a/tests/unit/plugins/modules/gitlab.py b/tests/unit/plugins/modules/gitlab.py
index 2bd4cd46bc..d5eeebfcd1 100644
--- a/tests/unit/plugins/modules/gitlab.py
+++ b/tests/unit/plugins/modules/gitlab.py
@@ -55,7 +55,7 @@ def python_gitlab_version_match_requirement():
 # Skip unittest test case if python version don't match requirement
 def unitest_python_version_check_requirement(unittest_testcase):
     if not python_version_match_requirement():
-        unittest_testcase.skipTest("Python %s+ is needed for python-gitlab" % ",".join(map(str, GITLAB_MINIMUM_PYTHON_VERSION)))
+        unittest_testcase.skipTest(f"Python {'.'.join(map(str, GITLAB_MINIMUM_PYTHON_VERSION))}+ is needed for python-gitlab")
 
 
 '''
diff --git a/tests/unit/plugins/modules/hpe_test_utils.py b/tests/unit/plugins/modules/hpe_test_utils.py
index fa54ee2988..90a17382f7 100644
--- a/tests/unit/plugins/modules/hpe_test_utils.py
+++ b/tests/unit/plugins/modules/hpe_test_utils.py
@@ -18,7 +18,7 @@ class OneViewBaseTest(object):
     @pytest.fixture(autouse=True)
     def setUp(self, mock_ansible_module, mock_ov_client, request):
         marker = request.node.get_marker('resource')
-        self.resource = getattr(mock_ov_client, "%s" % (marker.args))
+        self.resource = getattr(mock_ov_client, f"{marker.args}")
         self.mock_ov_client = mock_ov_client
         self.mock_ansible_module = mock_ansible_module
 
@@ -27,7 +27,7 @@ class OneViewBaseTest(object):
         resource_name = type(self).__name__.replace('Test', '')
         resource_module_path_name = resource_name.replace('Module', '')
         resource_module_path_name = re.findall('[A-Z][^A-Z]*', resource_module_path_name)
-        resource_module_path_name = 'oneview_' + str.join('_', resource_module_path_name).lower()
+        resource_module_path_name = f"oneview_{str.join('_', resource_module_path_name).lower()}"
 
         ansible_collections = __import__('ansible_collections')
         oneview_module = ansible_collections.community.general.plugins.modules
@@ -40,7 +40,7 @@ class OneViewBaseTest(object):
             EXAMPLES = yaml.safe_load(testing_module.EXAMPLES)
 
         except yaml.scanner.ScannerError:
-            message = "Something went wrong while parsing yaml from {0}.EXAMPLES".format(self.testing_class.__module__)
+            message = f"Something went wrong while parsing yaml from {self.testing_class.__module__}.EXAMPLES"
             raise Exception(message)
         return testing_module
 
@@ -114,7 +114,7 @@ class OneViewBaseTestCase(object):
         self.mock_ov_client = self.mock_ov_client_from_json_file.return_value
 
         # Define Ansible Module Mock
-        patcher_ansible = patch(ONEVIEW_MODULE_UTILS_PATH + '.AnsibleModule')
+        patcher_ansible = patch(f"{ONEVIEW_MODULE_UTILS_PATH}.AnsibleModule")
         test_case.addCleanup(patcher_ansible.stop)
         mock_ansible_module = patcher_ansible.start()
         self.mock_ansible_module = Mock()
@@ -142,7 +142,7 @@ class OneViewBaseTestCase(object):
             self.EXAMPLES = yaml.safe_load(self.testing_module.EXAMPLES)
 
         except yaml.scanner.ScannerError:
-            message = "Something went wrong while parsing yaml from {0}.EXAMPLES".format(self.testing_class.__module__)
+            message = f"Something went wrong while parsing yaml from {self.testing_class.__module__}.EXAMPLES"
             raise Exception(message)
 
 
diff --git a/tests/unit/plugins/modules/interfaces_file/test_interfaces_file.py b/tests/unit/plugins/modules/interfaces_file/test_interfaces_file.py
index d4c6707a2c..5f91df758c 100644
--- a/tests/unit/plugins/modules/interfaces_file/test_interfaces_file.py
+++ b/tests/unit/plugins/modules/interfaces_file/test_interfaces_file.py
@@ -29,7 +29,7 @@ class ModuleMocked:
         move(src, dst)
 
     def backup_local(self, path):
-        backupp = os.path.join("/tmp", os.path.basename(path) + ".bak")
+        backupp = os.path.join("/tmp", f"{os.path.basename(path)}.bak")
         copyfile(path, backupp)
         return backupp
 
@@ -68,12 +68,12 @@ class TestInterfacesFileModule(unittest.TestCase):
 
     def compareInterfacesLinesToFile(self, interfaces_lines, path, testname=None):
         if not testname:
-            testname = "%s.%s" % (path, inspect.stack()[1][3])
+            testname = f"{path}.{inspect.stack()[1][3]}"
         self.compareStringWithFile("".join([d['line'] for d in interfaces_lines if 'line' in d]), testname)
 
     def compareInterfacesToFile(self, ifaces, path, testname=None):
         if not testname:
-            testname = "%s.%s.json" % (path, inspect.stack()[1][3])
+            testname = f"{path}.{inspect.stack()[1][3]}.json"
 
         testfilepath = os.path.join(golden_output_path, testname)
         string = json.dumps(ifaces, sort_keys=True, indent=4, separators=(',', ': '))
@@ -196,12 +196,12 @@ class TestInterfacesFileModule(unittest.TestCase):
                         dummy, lines = interfaces_file.set_interface_option(module, lines, options['iface'], options['option'],
                                                                             options['value'], options['state'])
                     except AnsibleFailJson as e:
-                        fail_json_iterations.append("[%d] fail_json message: %s\noptions:\n%s" %
-                                                    (i, str(e), json.dumps(options, sort_keys=True, indent=4, separators=(',', ': '))))
-                self.compareStringWithFile("\n=====\n".join(fail_json_iterations), "%s_%s.exceptions.txt" % (testfile, testname))
+                        fail_json_iterations.append(
+                            f"[{i}] fail_json message: {e!s}\noptions:\n{json.dumps(options, sort_keys=True, indent=4, separators=(',', ': '))}")
+                self.compareStringWithFile("\n=====\n".join(fail_json_iterations), f"{testfile}_{testname}.exceptions.txt")
 
-                self.compareInterfacesLinesToFile(lines, testfile, "%s_%s" % (testfile, testname))
-                self.compareInterfacesToFile(ifaces, testfile, "%s_%s.json" % (testfile, testname))
+                self.compareInterfacesLinesToFile(lines, testfile, f"{testfile}_{testname}")
+                self.compareInterfacesToFile(ifaces, testfile, f"{testfile}_{testname}.json")
 
     def test_revert(self):
         testcases = {
@@ -229,14 +229,14 @@ class TestInterfacesFileModule(unittest.TestCase):
                             dummy, lines = interfaces_file.set_interface_option(module, lines,
                                                                                 options['iface'], options['option'], options['value'], options['state'])
                         except AnsibleFailJson as e:
-                            fail_json_iterations.append("fail_json message: %s\noptions:\n%s" %
-                                                        (str(e), json.dumps(options, sort_keys=True, indent=4, separators=(',', ': '))))
+                            fail_json_iterations.append(
+                                f"fail_json message: {e!s}\noptions:\n{json.dumps(options, sort_keys=True, indent=4, separators=(',', ': '))}")
                         interfaces_file.write_changes(module, [d['line'] for d in lines if 'line' in d], path)
 
-                    self.compareStringWithFile("\n=====\n".join(fail_json_iterations), "%s_%s.exceptions.txt" % (testfile, testname))
+                    self.compareStringWithFile("\n=====\n".join(fail_json_iterations), f"{testfile}_{testname}.exceptions.txt")
 
-                    self.compareInterfacesLinesToFile(lines, testfile, "%s_%s" % (testfile, testname))
-                    self.compareInterfacesToFile(ifaces, testfile, "%s_%s.json" % (testfile, testname))
+                    self.compareInterfacesLinesToFile(lines, testfile, f"{testfile}_{testname}")
+                    self.compareInterfacesToFile(ifaces, testfile, f"{testfile}_{testname}.json")
                     if testfile not in ["no_leading_spaces"]:
                         # skip if eth0 has MTU value
                         self.compareFileToBackup(path, backupp)
@@ -270,17 +270,16 @@ class TestInterfacesFileModule(unittest.TestCase):
                             changed_again, lines = interfaces_file.set_interface_option(module, lines, options['iface'],
                                                                                         options['option'], options['value'], options['state'])
                             self.assertFalse(changed_again,
-                                             msg='Second request for change should return false for {0} running on {1}'.format(testname,
-                                                                                                                               testfile))
+                                             msg=f'Second request for change should return false for {testname} running on {testfile}')
                     except AnsibleFailJson as e:
-                        fail_json_iterations.append("fail_json message: %s\noptions:\n%s" %
-                                                    (str(e), json.dumps(options, sort_keys=True, indent=4, separators=(',', ': '))))
+                        fail_json_iterations.append(
+                            f"fail_json message: {e!s}\noptions:\n{json.dumps(options, sort_keys=True, indent=4, separators=(',', ': '))}")
                     interfaces_file.write_changes(module, [d['line'] for d in lines if 'line' in d], path)
 
-                    self.compareStringWithFile("\n=====\n".join(fail_json_iterations), "%s_%s.exceptions.txt" % (testfile, testname))
+                    self.compareStringWithFile("\n=====\n".join(fail_json_iterations), f"{testfile}_{testname}.exceptions.txt")
 
-                    self.compareInterfacesLinesToFile(lines, testfile, "%s_%s" % (testfile, testname))
-                    self.compareInterfacesToFile(ifaces, testfile, "%s_%s.json" % (testfile, testname))
+                    self.compareInterfacesLinesToFile(lines, testfile, f"{testfile}_{testname}")
+                    self.compareInterfacesToFile(ifaces, testfile, f"{testfile}_{testname}.json")
                     # Restore backup
                     move(backupp, path)
 
@@ -544,13 +543,13 @@ class TestInterfacesFileModule(unittest.TestCase):
                         dummy, lines = interfaces_file.set_interface_option(module, lines, options['iface'], options['option'],
                                                                             options['value'], options['state'], options['address_family'])
                     except AnsibleFailJson as e:
-                        fail_json_iterations.append("fail_json message: %s\noptions:\n%s" %
-                                                    (str(e), json.dumps(options, sort_keys=True, indent=4, separators=(',', ': '))))
+                        fail_json_iterations.append(
+                            f"fail_json message: {e!s}\noptions:\n{json.dumps(options, sort_keys=True, indent=4, separators=(',', ': '))}")
                     interfaces_file.write_changes(module, [d['line'] for d in lines if 'line' in d], path)
 
-                    self.compareStringWithFile("\n=====\n".join(fail_json_iterations), "%s_%s.exceptions.txt" % (testfile, testname))
+                    self.compareStringWithFile("\n=====\n".join(fail_json_iterations), f"{testfile}_{testname}.exceptions.txt")
 
-                    self.compareInterfacesLinesToFile(lines, testfile, "%s_%s" % (testfile, testname))
-                    self.compareInterfacesToFile(ifaces, testfile, "%s_%s.json" % (testfile, testname))
+                    self.compareInterfacesLinesToFile(lines, testfile, f"{testfile}_{testname}")
+                    self.compareInterfacesToFile(ifaces, testfile, f"{testfile}_{testname}.json")
                     # Restore backup
                     move(backupp, path)
diff --git a/tests/unit/plugins/modules/oneview_conftest.py b/tests/unit/plugins/modules/oneview_conftest.py
index c1d863108b..85e8eedaec 100644
--- a/tests/unit/plugins/modules/oneview_conftest.py
+++ b/tests/unit/plugins/modules/oneview_conftest.py
@@ -20,7 +20,7 @@ def mock_ov_client():
 
 @pytest.fixture
 def mock_ansible_module():
-    patcher_ansible = patch(ONEVIEW_MODULE_UTILS_PATH + '.AnsibleModule')
+    patcher_ansible = patch(f"{ONEVIEW_MODULE_UTILS_PATH}.AnsibleModule")
     patcher_ansible = patcher_ansible.start()
     ansible_module = Mock()
     patcher_ansible.return_value = ansible_module
diff --git a/tests/unit/plugins/modules/test_apk.py b/tests/unit/plugins/modules/test_apk.py
index 89bc166bb6..25ba0fce22 100644
--- a/tests/unit/plugins/modules/test_apk.py
+++ b/tests/unit/plugins/modules/test_apk.py
@@ -22,7 +22,7 @@ class TestApkQueryLatest(unittest.TestCase):
     def test_not_latest(self, mock_module):
         apk.APK_PATH = [""]
         for module_name in self.module_names:
-            command_output = module_name + '-2.0.0-r1 < 3.0.0-r2 '
+            command_output = f"{module_name}-2.0.0-r1 < 3.0.0-r2 "
             mock_module.run_command.return_value = (0, command_output, None)
             command_result = apk.query_latest(mock_module, module_name)
             self.assertFalse(command_result)
@@ -31,7 +31,7 @@ class TestApkQueryLatest(unittest.TestCase):
     def test_latest(self, mock_module):
         apk.APK_PATH = [""]
         for module_name in self.module_names:
-            command_output = module_name + '-2.0.0-r1 = 2.0.0-r1 '
+            command_output = f"{module_name}-2.0.0-r1 = 2.0.0-r1 "
             mock_module.run_command.return_value = (0, command_output, None)
             command_result = apk.query_latest(mock_module, module_name)
             self.assertTrue(command_result)
diff --git a/tests/unit/plugins/modules/test_github_repo.py b/tests/unit/plugins/modules/test_github_repo.py
index d74d486599..28e973251a 100644
--- a/tests/unit/plugins/modules/test_github_repo.py
+++ b/tests/unit/plugins/modules/test_github_repo.py
@@ -29,7 +29,7 @@ def get_orgs_mock(url, request):
     headers = {'content-type': 'application/json'}
     content = {
         "login": org,
-        "url": "https://api.github.com/orgs/{0}".format(org)
+        "url": f"https://api.github.com/orgs/{org}"
     }
     content = json.dumps(content).encode("utf-8")
     return response(200, content, headers, None, 5, request)
@@ -63,8 +63,8 @@ def get_repo_mock(url, request):
     headers = {'content-type': 'application/json'}
     content = {
         "name": repo,
-        "full_name": "{0}/{1}".format(org, repo),
-        "url": "https://api.github.com/repos/{0}/{1}".format(org, repo),
+        "full_name": f"{org}/{repo}",
+        "url": f"https://api.github.com/repos/{org}/{repo}",
         "private": False,
         "description": "This your first repo!",
         "default_branch": "master",
@@ -85,8 +85,8 @@ def get_private_repo_mock(url, request):
     headers = {'content-type': 'application/json'}
     content = {
         "name": repo,
-        "full_name": "{0}/{1}".format(org, repo),
-        "url": "https://api.github.com/repos/{0}/{1}".format(org, repo),
+        "full_name": f"{org}/{repo}",
+        "url": f"https://api.github.com/repos/{org}/{repo}",
         "private": True,
         "description": "This your first repo!",
         "default_branch": "master",
@@ -107,7 +107,7 @@ def create_new_org_repo_mock(url, request):
     # https://docs.github.com/en/rest/reference/repos#create-an-organization-repository
     content = {
         "name": repo['name'],
-        "full_name": "{0}/{1}".format(org, repo['name']),
+        "full_name": f"{org}/{repo['name']}",
         "private": repo.get('private', False),
         "description": repo.get('description')
     }
@@ -123,7 +123,7 @@ def create_new_user_repo_mock(url, request):
     # https://docs.github.com/en/rest/reference/repos#create-a-repository-for-the-authenticated-user
     content = {
         "name": repo['name'],
-        "full_name": "{0}/{1}".format("octocat", repo['name']),
+        "full_name": f"octocat/{repo['name']}",
         "private": repo.get('private', False),
         "description": repo.get('description')
     }
@@ -143,8 +143,8 @@ def patch_repo_mock(url, request):
     # https://docs.github.com/en/rest/reference/repos#update-a-repository
     content = {
         "name": repo,
-        "full_name": "{0}/{1}".format(org, repo),
-        "url": "https://api.github.com/repos/{0}/{1}".format(org, repo),
+        "full_name": f"{org}/{repo}",
+        "url": f"https://api.github.com/repos/{org}/{repo}",
         "private": body.get('private', False),
         "description": body.get('description'),
         "default_branch": "master",
diff --git a/tests/unit/plugins/modules/test_gitlab_group_access_token.py b/tests/unit/plugins/modules/test_gitlab_group_access_token.py
index a7b2ffafc0..24417f9200 100644
--- a/tests/unit/plugins/modules/test_gitlab_group_access_token.py
+++ b/tests/unit/plugins/modules/test_gitlab_group_access_token.py
@@ -56,7 +56,7 @@ class TestGitlabGroupAccessToken(GitlabModuleTestCase):
     def setUp(self):
         super(TestGitlabGroupAccessToken, self).setUp()
         if not python_gitlab_version_match_requirement():
-            self.skipTest("python-gitlab %s+ is needed for gitlab_group_access_token" % ",".join(map(str, PYTHON_GITLAB_MINIMAL_VERSION)))
+            self.skipTest(f"python-gitlab {'.'.join(map(str, PYTHON_GITLAB_MINIMAL_VERSION))}+ is needed for gitlab_group_access_token")
 
         self.moduleUtil = GitLabGroupAccessToken(module=self.mock_module, gitlab_instance=self.gitlab_instance)
 
diff --git a/tests/unit/plugins/modules/test_gitlab_project_access_token.py b/tests/unit/plugins/modules/test_gitlab_project_access_token.py
index acf43205d8..5077fa81bf 100644
--- a/tests/unit/plugins/modules/test_gitlab_project_access_token.py
+++ b/tests/unit/plugins/modules/test_gitlab_project_access_token.py
@@ -56,7 +56,7 @@ class TestGitlabProjectAccessToken(GitlabModuleTestCase):
     def setUp(self):
         super(TestGitlabProjectAccessToken, self).setUp()
         if not python_gitlab_version_match_requirement():
-            self.skipTest("python-gitlab %s+ is needed for gitlab_project_access_token" % ",".join(map(str, PYTHON_GITLAB_MINIMAL_VERSION)))
+            self.skipTest(f"python-gitlab {'.'.join(map(str, PYTHON_GITLAB_MINIMAL_VERSION))}+ is needed for gitlab_project_access_token")
 
         self.moduleUtil = GitLabProjectAccessToken(module=self.mock_module, gitlab_instance=self.gitlab_instance)
 
diff --git a/tests/unit/plugins/modules/test_ipa_getkeytab.py b/tests/unit/plugins/modules/test_ipa_getkeytab.py
index 86f6e8cb35..f9bed6e5f8 100644
--- a/tests/unit/plugins/modules/test_ipa_getkeytab.py
+++ b/tests/unit/plugins/modules/test_ipa_getkeytab.py
@@ -16,9 +16,9 @@ class IPAKeytabModuleTestCase(ModuleTestCase):
     def setUp(self):
         super(IPAKeytabModuleTestCase, self).setUp()
         ansible_module_path = "ansible_collections.community.general.plugins.modules.ipa_getkeytab.AnsibleModule"
-        self.mock_run_command = patch('%s.run_command' % ansible_module_path)
+        self.mock_run_command = patch(f'{ansible_module_path}.run_command')
         self.module_main_command = self.mock_run_command.start()
-        self.mock_get_bin_path = patch('%s.get_bin_path' % ansible_module_path)
+        self.mock_get_bin_path = patch(f'{ansible_module_path}.get_bin_path')
         self.get_bin_path = self.mock_get_bin_path.start()
         self.get_bin_path.return_value = '/testbin/ipa_getkeytab'
 
diff --git a/tests/unit/plugins/modules/test_jenkins_build.py b/tests/unit/plugins/modules/test_jenkins_build.py
index 210f5b5f1e..e741e5558c 100644
--- a/tests/unit/plugins/modules/test_jenkins_build.py
+++ b/tests/unit/plugins/modules/test_jenkins_build.py
@@ -37,7 +37,7 @@ class JenkinsBuildMock():
             response["result"] = "ABSENT"
             return response
         except Exception as e:
-            fail_json(msg='Unable to fetch build information, {0}'.format(e))
+            fail_json(msg=f'Unable to fetch build information, {e}')
 
 
 class JenkinsMock():
@@ -49,7 +49,7 @@ class JenkinsMock():
 
     def get_build_info(self, name, build_number):
         if name == "host-delete":
-            raise jenkins.JenkinsException("job {0} number {1} does not exist".format(name, build_number))
+            raise jenkins.JenkinsException(f"job {name} number {build_number} does not exist")
         elif name == "create-detached":
             return {
                 "building": True,
@@ -87,7 +87,7 @@ class JenkinsMockIdempotent():
         return None
 
     def delete_build(self, name, build_number):
-        raise jenkins.NotFoundException("job {0} number {1} does not exist".format(name, build_number))
+        raise jenkins.NotFoundException(f"job {name} number {build_number} does not exist")
 
     def stop_build(self, name, build_number):
         return None
diff --git a/tests/unit/plugins/modules/test_jenkins_build_info.py b/tests/unit/plugins/modules/test_jenkins_build_info.py
index a43dfdec2b..333ca620d7 100644
--- a/tests/unit/plugins/modules/test_jenkins_build_info.py
+++ b/tests/unit/plugins/modules/test_jenkins_build_info.py
@@ -38,7 +38,7 @@ class JenkinsBuildMock():
             response["result"] = "ABSENT"
             return response
         except Exception as e:
-            fail_json(msg='Unable to fetch build information, {0}'.format(e))
+            fail_json(msg=f'Unable to fetch build information, {e}')
 
 
 class JenkinsMock():
diff --git a/tests/unit/plugins/modules/test_jenkins_credential.py b/tests/unit/plugins/modules/test_jenkins_credential.py
index fe4e2f3919..fbf04f8c04 100644
--- a/tests/unit/plugins/modules/test_jenkins_credential.py
+++ b/tests/unit/plugins/modules/test_jenkins_credential.py
@@ -143,7 +143,7 @@ def test_clean_data_removes_extraneous_fields():
     }
     expected = {"id": "cred1", "description": "test"}
     result = jenkins_credential.clean_data(data)
-    assert result == expected, "Expected {}, got {}".format(expected, result)
+    assert result == expected, f"Expected {expected}, got {result}"
 
 
 @patch(
diff --git a/tests/unit/plugins/modules/test_jenkins_node.py b/tests/unit/plugins/modules/test_jenkins_node.py
index 88f9058050..90456b4e8e 100644
--- a/tests/unit/plugins/modules/test_jenkins_node.py
+++ b/tests/unit/plugins/modules/test_jenkins_node.py
@@ -62,7 +62,7 @@ def assert_xml_equal(x, y):
     if not isinstance(y, str):
         y = et.tostring(y)
 
-    raise AssertionError("{} != {}".format(x, y))
+    raise AssertionError(f"{x} != {y}")
 
 
 @fixture(autouse=True)
diff --git a/tests/unit/plugins/modules/test_jenkins_plugin.py b/tests/unit/plugins/modules/test_jenkins_plugin.py
index 39c087bbdd..f756547288 100644
--- a/tests/unit/plugins/modules/test_jenkins_plugin.py
+++ b/tests/unit/plugins/modules/test_jenkins_plugin.py
@@ -155,7 +155,7 @@ def test__get_json_data(mocker):
     jenkins_plugin = JenkinsPlugin(module)
 
     json_data = jenkins_plugin._get_json_data(
-        "{url}".format(url=GITHUB_DATA['url']),
+        f"{GITHUB_DATA['url']}",
         'CSRF')
 
     assert isinstance(json_data, Mapping)
@@ -191,7 +191,7 @@ def test__new_fallback_urls(mocker):
 
 
 def isInList(l, i):
-    print("checking if %s in %s" % (i, l))
+    print(f"checking if {i} in {l}")
     for item in l:
         if item == i:
             return True
diff --git a/tests/unit/plugins/modules/test_linode_v4.py b/tests/unit/plugins/modules/test_linode_v4.py
index 2a7b13ba3c..6f0601814f 100644
--- a/tests/unit/plugins/modules/test_linode_v4.py
+++ b/tests/unit/plugins/modules/test_linode_v4.py
@@ -369,5 +369,5 @@ def test_user_agent_created_properly():
     except ImportError:
         ansible_version = 'unknown'
 
-    expected_user_agent = 'Ansible-linode_v4_module/%s' % ansible_version
+    expected_user_agent = f'Ansible-linode_v4_module/{ansible_version}'
     assert expected_user_agent == get_user_agent('linode_v4_module')
diff --git a/tests/unit/plugins/modules/test_lvg_rename.py b/tests/unit/plugins/modules/test_lvg_rename.py
index e6d4d6eda2..1ad650f322 100644
--- a/tests/unit/plugins/modules/test_lvg_rename.py
+++ b/tests/unit/plugins/modules/test_lvg_rename.py
@@ -27,12 +27,12 @@ class TestLvgRename(ModuleTestCase):
 
         self.mock_run_responses = {}
 
-        patched_module_get_bin_path = patch('%s.AnsibleModule.get_bin_path' % (self.module_path))
+        patched_module_get_bin_path = patch(f'{self.module_path}.AnsibleModule.get_bin_path')
         self.mock_module_get_bin_path = patched_module_get_bin_path.start()
         self.mock_module_get_bin_path.return_value = '/mocpath'
         self.addCleanup(patched_module_get_bin_path.stop)
 
-        patched_module_run_command = patch('%s.AnsibleModule.run_command' % (self.module_path))
+        patched_module_run_command = patch(f'{self.module_path}.AnsibleModule.run_command')
         self.mock_module_run_command = patched_module_run_command.start()
         self.addCleanup(patched_module_run_command.stop)
 
diff --git a/tests/unit/plugins/modules/test_monit.py b/tests/unit/plugins/modules/test_monit.py
index 1c26983235..8a03c2a098 100644
--- a/tests/unit/plugins/modules/test_monit.py
+++ b/tests/unit/plugins/modules/test_monit.py
@@ -103,8 +103,8 @@ class MonitTest(unittest.TestCase):
 def test_status_value(status_name):
     value = getattr(monit.StatusValue, status_name.upper())
     status = monit.StatusValue(value)
-    assert getattr(status, 'is_%s' % status_name)
-    assert not all(getattr(status, 'is_%s' % name) for name in monit.StatusValue.ALL_STATUS if name != status_name)
+    assert getattr(status, f'is_{status_name}')
+    assert not all(getattr(status, f'is_{name}') for name in monit.StatusValue.ALL_STATUS if name != status_name)
 
 
 BASIC_OUTPUT_CASES = [
diff --git a/tests/unit/plugins/modules/test_npm.py b/tests/unit/plugins/modules/test_npm.py
index 2d763ec619..7a2eec1019 100644
--- a/tests/unit/plugins/modules/test_npm.py
+++ b/tests/unit/plugins/modules/test_npm.py
@@ -17,9 +17,9 @@ class NPMModuleTestCase(ModuleTestCase):
     def setUp(self):
         super(NPMModuleTestCase, self).setUp()
         ansible_module_path = "ansible_collections.community.general.plugins.modules.npm.AnsibleModule"
-        self.mock_run_command = patch('%s.run_command' % ansible_module_path)
+        self.mock_run_command = patch(f'{ansible_module_path}.run_command')
         self.module_main_command = self.mock_run_command.start()
-        self.mock_get_bin_path = patch('%s.get_bin_path' % ansible_module_path)
+        self.mock_get_bin_path = patch(f'{ansible_module_path}.get_bin_path')
         self.get_bin_path = self.mock_get_bin_path.start()
         self.get_bin_path.return_value = '/testbin/npm'
 
diff --git a/tests/unit/plugins/modules/test_ocapi_command.py b/tests/unit/plugins/modules/test_ocapi_command.py
index bbab1fc33c..91f32b8bf2 100644
--- a/tests/unit/plugins/modules/test_ocapi_command.py
+++ b/tests/unit/plugins/modules/test_ocapi_command.py
@@ -101,63 +101,63 @@ def is_changed(ansible_exit_json):
 def mock_get_request(*args, **kwargs):
     """Mock for get_request."""
     url = args[1]
-    if url == 'https://' + MOCK_BASE_URI:
+    if url == f"https://{MOCK_BASE_URI}":
         return MOCK_SUCCESSFUL_HTTP_RESPONSE_LED_INDICATOR_OFF_WITH_ETAG
     elif url == "mock_location":
         return MOCK_SUCCESSFUL_HTTP_RESPONSE
-    raise RuntimeError("Illegal call to get_request in test: " + args[1])
+    raise RuntimeError(f"Illegal call to get_request in test: {args[1]}")
 
 
 def mock_get_request_job_does_not_exist(*args, **kwargs):
     """Mock for get_request."""
     url = args[1]
-    if url == 'https://' + MOCK_BASE_URI:
+    if url == f"https://{MOCK_BASE_URI}":
         return MOCK_SUCCESSFUL_HTTP_RESPONSE_LED_INDICATOR_OFF_WITH_ETAG
-    elif url == urljoin('https://' + MOCK_BASE_URI, "Jobs/" + MOCK_JOB_NAME):
+    elif url == urljoin(f"https://{MOCK_BASE_URI}", f"Jobs/{MOCK_JOB_NAME}"):
         return MOCK_404_RESPONSE
-    raise RuntimeError("Illegal call to get_request in test: " + args[1])
+    raise RuntimeError(f"Illegal call to get_request in test: {args[1]}")
 
 
 def mock_get_request_job_in_progress(*args, **kwargs):
     url = args[1]
-    if url == 'https://' + MOCK_BASE_URI:
+    if url == f"https://{MOCK_BASE_URI}":
         return MOCK_SUCCESSFUL_HTTP_RESPONSE_LED_INDICATOR_OFF_WITH_ETAG
-    elif url == urljoin('https://' + MOCK_BASE_URI, "Jobs/" + MOCK_JOB_NAME):
+    elif url == urljoin(f"https://{MOCK_BASE_URI}", f"Jobs/{MOCK_JOB_NAME}"):
         return MOCK_HTTP_RESPONSE_JOB_IN_PROGRESS
-    raise RuntimeError("Illegal call to get_request in test: " + args[1])
+    raise RuntimeError(f"Illegal call to get_request in test: {args[1]}")
 
 
 def mock_get_request_job_complete(*args, **kwargs):
     url = args[1]
-    if url == 'https://' + MOCK_BASE_URI:
+    if url == f"https://{MOCK_BASE_URI}":
         return MOCK_SUCCESSFUL_HTTP_RESPONSE_LED_INDICATOR_OFF_WITH_ETAG
-    elif url == urljoin('https://' + MOCK_BASE_URI, "Jobs/" + MOCK_JOB_NAME):
+    elif url == urljoin(f"https://{MOCK_BASE_URI}", f"Jobs/{MOCK_JOB_NAME}"):
         return MOCK_HTTP_RESPONSE_JOB_COMPLETE
-    raise RuntimeError("Illegal call to get_request in test: " + args[1])
+    raise RuntimeError(f"Illegal call to get_request in test: {args[1]}")
 
 
 def mock_put_request(*args, **kwargs):
     """Mock put_request."""
     url = args[1]
-    if url == 'https://' + MOCK_BASE_URI:
+    if url == f"https://{MOCK_BASE_URI}":
         return MOCK_SUCCESSFUL_HTTP_RESPONSE_WITH_LOCATION_HEADER
-    raise RuntimeError("Illegal PUT call to: " + args[1])
+    raise RuntimeError(f"Illegal PUT call to: {args[1]}")
 
 
 def mock_delete_request(*args, **kwargs):
     """Mock delete request."""
     url = args[1]
-    if url == urljoin('https://' + MOCK_BASE_URI, 'Jobs/' + MOCK_JOB_NAME):
+    if url == urljoin(f"https://{MOCK_BASE_URI}", f"Jobs/{MOCK_JOB_NAME}"):
         return MOCK_SUCCESSFUL_HTTP_RESPONSE
-    raise RuntimeError("Illegal DELETE call to: " + args[1])
+    raise RuntimeError(f"Illegal DELETE call to: {args[1]}")
 
 
 def mock_post_request(*args, **kwargs):
     """Mock post_request."""
     url = args[1]
-    if url == urljoin('https://' + MOCK_BASE_URI, OPERATING_SYSTEM_URI):
+    if url == urljoin(f"https://{MOCK_BASE_URI}", OPERATING_SYSTEM_URI):
         return MOCK_SUCCESSFUL_HTTP_RESPONSE
-    raise RuntimeError("Illegal POST call to: " + args[1])
+    raise RuntimeError(f"Illegal POST call to: {args[1]}")
 
 
 def mock_http_request_conflict(*args, **kwargs):
@@ -167,7 +167,7 @@ def mock_http_request_conflict(*args, **kwargs):
 
 def mock_invalid_http_request(*args, **kwargs):
     """Mock to make an HTTP request invalid.  Raises an exception."""
-    raise RuntimeError("Illegal HTTP call to " + args[1])
+    raise RuntimeError(f"Illegal HTTP call to {args[1]}")
 
 
 class TestOcapiCommand(unittest.TestCase):
diff --git a/tests/unit/plugins/modules/test_ocapi_info.py b/tests/unit/plugins/modules/test_ocapi_info.py
index 06f3dfc5ab..eb5ce7dfcb 100644
--- a/tests/unit/plugins/modules/test_ocapi_info.py
+++ b/tests/unit/plugins/modules/test_ocapi_info.py
@@ -88,31 +88,31 @@ def get_exception_message(ansible_exit_json):
 def mock_get_request(*args, **kwargs):
     """Mock for get_request."""
     url = args[1]
-    if url == "https://" + MOCK_BASE_URI:
+    if url == f"https://{MOCK_BASE_URI}":
         return MOCK_SUCCESSFUL_HTTP_RESPONSE
-    elif url == "https://" + MOCK_BASE_URI + '/Jobs/' + MOCK_JOB_NAME_IN_PROGRESS:
+    elif url == f"https://{MOCK_BASE_URI}/Jobs/{MOCK_JOB_NAME_IN_PROGRESS}":
         return MOCK_HTTP_RESPONSE_JOB_IN_PROGRESS
-    elif url == "https://" + MOCK_BASE_URI + '/Jobs/' + MOCK_JOB_NAME_COMPLETE:
+    elif url == f"https://{MOCK_BASE_URI}/Jobs/{MOCK_JOB_NAME_COMPLETE}":
         return MOCK_HTTP_RESPONSE_JOB_COMPLETE
-    elif url == "https://" + MOCK_BASE_URI + '/Jobs/' + MOCK_JOB_NAME_DOES_NOT_EXIST:
+    elif url == f"https://{MOCK_BASE_URI}/Jobs/{MOCK_JOB_NAME_DOES_NOT_EXIST}":
         return MOCK_404_RESPONSE
     else:
-        raise RuntimeError("Illegal GET call to: " + args[1])
+        raise RuntimeError(f"Illegal GET call to: {args[1]}")
 
 
 def mock_put_request(*args, **kwargs):
     """Mock put_request.  PUT should never happen so it will raise an error."""
-    raise RuntimeError("Illegal PUT call to: " + args[1])
+    raise RuntimeError(f"Illegal PUT call to: {args[1]}")
 
 
 def mock_delete_request(*args, **kwargs):
     """Mock delete request.  DELETE should never happen so it will raise an error."""
-    raise RuntimeError("Illegal DELETE call to: " + args[1])
+    raise RuntimeError(f"Illegal DELETE call to: {args[1]}")
 
 
 def mock_post_request(*args, **kwargs):
     """Mock post_request.  POST should never happen so it will raise an error."""
-    raise RuntimeError("Illegal POST call to: " + args[1])
+    raise RuntimeError(f"Illegal POST call to: {args[1]}")
 
 
 class TestOcapiInfo(unittest.TestCase):
diff --git a/tests/unit/plugins/modules/test_oneview_network_set.py b/tests/unit/plugins/modules/test_oneview_network_set.py
index 5607eb5426..4aeb960751 100644
--- a/tests/unit/plugins/modules/test_oneview_network_set.py
+++ b/tests/unit/plugins/modules/test_oneview_network_set.py
@@ -29,7 +29,7 @@ PARAMS_WITH_CHANGES = dict(
     config='config.json',
     state='present',
     data=dict(name=NETWORK_SET['name'],
-              newName=NETWORK_SET['name'] + " - Renamed",
+              newName=f"{NETWORK_SET['name']} - Renamed",
               networkUris=['/rest/ethernet-networks/aaa-bbb-ccc', 'Name of a Network'])
 )
 
@@ -80,7 +80,7 @@ class NetworkSetModuleSpec(unittest.TestCase,
         )
 
     def test_update_when_data_has_modified_attributes(self):
-        data_merged = dict(name=NETWORK_SET['name'] + " - Renamed",
+        data_merged = dict(name=f"{NETWORK_SET['name']} - Renamed",
                            networkUris=['/rest/ethernet-networks/aaa-bbb-ccc',
                                         '/rest/ethernet-networks/ddd-eee-fff']
                            )
@@ -109,7 +109,7 @@ class NetworkSetModuleSpec(unittest.TestCase,
 
         self.mock_ansible_module.fail_json.assert_called_once_with(
             exception=mock.ANY,
-            msg=NetworkSetModule.MSG_ETHERNET_NETWORK_NOT_FOUND + "Name of a Network"
+            msg=f"{NetworkSetModule.MSG_ETHERNET_NETWORK_NOT_FOUND}Name of a Network"
         )
 
     def test_should_remove_network(self):
diff --git a/tests/unit/plugins/modules/test_pkgin.py b/tests/unit/plugins/modules/test_pkgin.py
index 6de9a2e4b6..e4378eb828 100644
--- a/tests/unit/plugins/modules/test_pkgin.py
+++ b/tests/unit/plugins/modules/test_pkgin.py
@@ -22,7 +22,7 @@ class TestPkginQueryPackage(unittest.TestCase):
         parseable_flag_not_supported = 1
         mock_module.run_command.side_effect = [
             (parseable_flag_not_supported, "pkgin 0.11.7 for Darwin-18.6.0 x86_64 (using SQLite 3.27.2)", None),
-            (0, "%s-1.21.0 = C/C++ package manager" % package, None),
+            (0, f"{package}-1.21.0 = C/C++ package manager", None),
         ]
 
         # when
@@ -38,7 +38,7 @@ class TestPkginQueryPackage(unittest.TestCase):
         parseable_flag_not_supported = 1
         mock_module.run_command.side_effect = [
             (parseable_flag_not_supported, "pkgin 0.11.7 for Darwin-18.6.0 x86_64 (using SQLite 3.27.2)", None),
-            (0, "%s = C/C++ package manager" % package, None),
+            (0, f"{package} = C/C++ package manager", None),
         ]
 
         # when
@@ -102,7 +102,7 @@ class TestPkginQueryPackage(unittest.TestCase):
         parseable_flag_not_supported = 1
         mock_module.run_command.side_effect = [
             (parseable_flag_not_supported, "pkgin 0.11.7 for Darwin-18.6.0 x86_64 (using SQLite 3.27.2)", None),
-            (1, None, "No results found for %s" % package),
+            (1, None, f"No results found for {package}"),
         ]
 
         # when
@@ -118,7 +118,7 @@ class TestPkginQueryPackage(unittest.TestCase):
         parseable_flag_supported = 0
         mock_module.run_command.side_effect = [
             (parseable_flag_supported, "pkgin 0.11.7 for Darwin-18.6.0 x86_64 (using SQLite 3.27.2)", None),
-            (0, "%s-1.21.0;=;C/C++ package manager" % package, None),
+            (0, f"{package}-1.21.0;=;C/C++ package manager", None),
         ]
 
         # when
@@ -134,7 +134,7 @@ class TestPkginQueryPackage(unittest.TestCase):
         parseable_flag_not_supported = 1
         mock_module.run_command.side_effect = [
             (parseable_flag_not_supported, "pkgin 0.11.7 for Darwin-18.6.0 x86_64 (using SQLite 3.27.2)", None),
-            (0, "%s-1.21.0 = C/C++ package manager" % package, None),
+            (0, f"{package}-1.21.0 = C/C++ package manager", None),
         ]
 
         # when
diff --git a/tests/unit/plugins/modules/test_rpm_ostree_pkg.py b/tests/unit/plugins/modules/test_rpm_ostree_pkg.py
index 6b7e3aaebf..70a23f0a20 100644
--- a/tests/unit/plugins/modules/test_rpm_ostree_pkg.py
+++ b/tests/unit/plugins/modules/test_rpm_ostree_pkg.py
@@ -17,9 +17,9 @@ class RpmOSTreeModuleTestCase(ModuleTestCase):
     def setUp(self):
         super(RpmOSTreeModuleTestCase, self).setUp()
         ansible_module_path = "ansible_collections.community.general.plugins.modules.rpm_ostree_pkg.AnsibleModule"
-        self.mock_run_command = patch('%s.run_command' % ansible_module_path)
+        self.mock_run_command = patch(f'{ansible_module_path}.run_command')
         self.module_main_command = self.mock_run_command.start()
-        self.mock_get_bin_path = patch('%s.get_bin_path' % ansible_module_path)
+        self.mock_get_bin_path = patch(f'{ansible_module_path}.get_bin_path')
         self.get_bin_path = self.mock_get_bin_path.start()
         self.get_bin_path.return_value = '/testbin/rpm-ostree'
 
diff --git a/tests/unit/plugins/modules/test_rundeck_acl_policy.py b/tests/unit/plugins/modules/test_rundeck_acl_policy.py
index 2597d97dc9..597b569b71 100644
--- a/tests/unit/plugins/modules/test_rundeck_acl_policy.py
+++ b/tests/unit/plugins/modules/test_rundeck_acl_policy.py
@@ -62,7 +62,7 @@ def test_acl_create(api_request_mock, project, prefix):
     # should have done GET → POST → GET
     assert api_request_mock.call_count == 3
     args, kwargs = api_request_mock.call_args_list[1]
-    assert kwargs['endpoint'] == "%s/%s.aclpolicy" % (prefix, name)
+    assert kwargs['endpoint'] == f"{prefix}/{name}.aclpolicy"
     assert kwargs['method'] == 'POST'
 
 
@@ -91,7 +91,7 @@ def test_acl_unchanged(api_request_mock, project, prefix):
     # only a single GET
     assert api_request_mock.call_count == 1
     args, kwargs = api_request_mock.call_args
-    assert kwargs['endpoint'] == "%s/%s.aclpolicy" % (prefix, name)
+    assert kwargs['endpoint'] == f"{prefix}/{name}.aclpolicy"
     # default method is GET
     assert kwargs.get('method', 'GET') == 'GET'
 
@@ -123,7 +123,7 @@ def test_acl_remove(api_request_mock, project, prefix):
     # GET → DELETE
     assert api_request_mock.call_count == 2
     args, kwargs = api_request_mock.call_args_list[1]
-    assert kwargs['endpoint'] == "%s/%s.aclpolicy" % (prefix, name)
+    assert kwargs['endpoint'] == f"{prefix}/{name}.aclpolicy"
     assert kwargs['method'] == 'DELETE'
 
 
@@ -151,5 +151,5 @@ def test_acl_remove_nonexistent(api_request_mock, project, prefix):
     # only the initial GET
     assert api_request_mock.call_count == 1
     args, kwargs = api_request_mock.call_args
-    assert kwargs['endpoint'] == "%s/%s.aclpolicy" % (prefix, name)
+    assert kwargs['endpoint'] == f"{prefix}/{name}.aclpolicy"
     assert kwargs.get('method', 'GET') == 'GET'
diff --git a/tests/unit/plugins/modules/test_scaleway_compute_private_network.py b/tests/unit/plugins/modules/test_scaleway_compute_private_network.py
index 0f048ceec3..15d0a69412 100644
--- a/tests/unit/plugins/modules/test_scaleway_compute_private_network.py
+++ b/tests/unit/plugins/modules/test_scaleway_compute_private_network.py
@@ -74,7 +74,7 @@ def test_scaleway_add_nic(capfd):
     os.environ['SCW_API_TOKEN'] = 'notrealtoken'
     pnid = 'b589b4cd-ef5g-678h-90i1-jk2345678l90'
     cid = 'c004b4cd-ef5g-678h-90i1-jk2345678l90'
-    url = 'servers/' + cid + '/private_nics'
+    url = f"servers/{cid}/private_nics"
 
     with set_module_args({
         "project": "a123b4cd-ef5g-678h-90i1-jk2345678l90",
@@ -103,7 +103,7 @@ def test_scaleway_add_existing_nic(capfd):
     os.environ['SCW_API_TOKEN'] = 'notrealtoken'
     pnid = 'b589b4cd-ef5g-678h-90i1-jk2345678l90'
     cid = 'c004b4cd-ef5g-678h-90i1-jk2345678l90'
-    url = 'servers/' + cid + '/private_nics'
+    url = f"servers/{cid}/private_nics"
 
     with set_module_args({
         "project": "a123b4cd-ef5g-678h-90i1-jk2345678l90",
@@ -130,8 +130,8 @@ def test_scaleway_remove_existing_nic(capfd):
     pnid = 'b589b4cd-ef5g-678h-90i1-jk2345678l90'
     cid = 'c004b4cd-ef5g-678h-90i1-jk2345678l90'
     nicid = 'c123b4cd-ef5g-678h-90i1-jk2345678l90'
-    url = 'servers/' + cid + '/private_nics'
-    urlremove = 'servers/' + cid + '/private_nics/' + nicid
+    url = f"servers/{cid}/private_nics"
+    urlremove = f"servers/{cid}/private_nics/{nicid}"
 
     with set_module_args({
         "project": "a123b4cd-ef5g-678h-90i1-jk2345678l90",
@@ -161,7 +161,7 @@ def test_scaleway_remove_absent_nic(capfd):
     os.environ['SCW_API_TOKEN'] = 'notrealtoken'
     pnid = 'b589b4cd-ef5g-678h-90i1-jk2345678l90'
     cid = 'c004b4cd-ef5g-678h-90i1-jk2345678l90'
-    url = 'servers/' + cid + '/private_nics'
+    url = f"servers/{cid}/private_nics"
 
     with set_module_args({
         "project": "a123b4cd-ef5g-678h-90i1-jk2345678l90",
diff --git a/tests/unit/plugins/modules/test_solaris_zone.py b/tests/unit/plugins/modules/test_solaris_zone.py
index 67f79b20a1..5c4dcc7075 100644
--- a/tests/unit/plugins/modules/test_solaris_zone.py
+++ b/tests/unit/plugins/modules/test_solaris_zone.py
@@ -103,7 +103,7 @@ def test_zone_create_invalid_names(mocked_zone_create, capfd):
             {
                 "name": invalid_name,
                 "state": "installed",
-                "path": "/zones/" + invalid_name,
+                "path": f"/zones/{invalid_name}",
                 "_ansible_check_mode": False,
             }
         ):
diff --git a/tests/unit/plugins/modules/test_ss_3par_cpg.py b/tests/unit/plugins/modules/test_ss_3par_cpg.py
index 1510347fb1..64c0eab7e6 100644
--- a/tests/unit/plugins/modules/test_ss_3par_cpg.py
+++ b/tests/unit/plugins/modules/test_ss_3par_cpg.py
@@ -197,7 +197,7 @@ def test_create_cpg(mock_client):
                                   8,
                                   'MAG',
                                   'FC'
-                                  ) == (True, True, "Created CPG %s successfully." % 'test_cpg')
+                                  ) == (True, True, "Created CPG test_cpg successfully.")
 
     mock_client.HPE3ParClient.cpgExists.return_value = True
     assert ss_3par_cpg.create_cpg(mock_client.HPE3ParClient,
@@ -235,7 +235,7 @@ def test_delete_cpg(mock_client):
 
     assert ss_3par_cpg.delete_cpg(mock_client.HPE3ParClient,
                                   'test_cpg'
-                                  ) == (True, True, "Deleted CPG %s successfully." % 'test_cpg')
+                                  ) == (True, True, "Deleted CPG test_cpg successfully.")
 
     mock_client.HPE3ParClient.cpgExists.return_value = False
 
diff --git a/tests/unit/plugins/modules/test_ufw.py b/tests/unit/plugins/modules/test_ufw.py
index 9c796adb1a..9131dc7f96 100644
--- a/tests/unit/plugins/modules/test_ufw.py
+++ b/tests/unit/plugins/modules/test_ufw.py
@@ -30,10 +30,8 @@ To                         Action      From
 --                         ------      ----"""
 
 
-ufw_status_verbose_with_port_7000 = ufw_verbose_header + """
-7000/tcp                   ALLOW IN    Anywhere
-7000/tcp (v6)              ALLOW IN    Anywhere (v6)
-"""
+ufw_status_verbose_with_port_7000 = (
+    f"{ufw_verbose_header}\n7000/tcp                   ALLOW IN    Anywhere\n7000/tcp (v6)              ALLOW IN    Anywhere (v6)\n")
 
 user_rules_with_port_7000 = """### tuple ### allow tcp 7000 0.0.0.0/0 any 0.0.0.0/0 in
 ### tuple ### allow tcp 7000 ::/0 any ::/0 in
@@ -43,10 +41,8 @@ user_rules_with_ipv6 = """### tuple ### allow udp 5353 0.0.0.0/0 any 224.0.0.251
 ### tuple ### allow udp 5353 ::/0 any ff02::fb in
 """
 
-ufw_status_verbose_with_ipv6 = ufw_verbose_header + """
-5353/udp                   ALLOW IN    224.0.0.251
-5353/udp                   ALLOW IN    ff02::fb
-"""
+ufw_status_verbose_with_ipv6 = (
+    f"{ufw_verbose_header}\n5353/udp                   ALLOW IN    224.0.0.251\n5353/udp                   ALLOW IN    ff02::fb\n")
 
 ufw_status_verbose_nothing = ufw_verbose_header
 
diff --git a/tests/unit/plugins/modules/test_usb_facts.py b/tests/unit/plugins/modules/test_usb_facts.py
index bb44103e97..f5cc91827e 100644
--- a/tests/unit/plugins/modules/test_usb_facts.py
+++ b/tests/unit/plugins/modules/test_usb_facts.py
@@ -17,7 +17,7 @@ def get_bin_path(self, arg, required=False):
         return '/usr/bin/lsusb'
     else:
         if required:
-            fail_json(msg='%r not found !' % arg)
+            fail_json(msg=f'{arg!r} not found !')
 
 
 class TestUsbFacts(unittest.TestCase):
@@ -61,7 +61,7 @@ class TestUsbFacts(unittest.TestCase):
     def test_parsing_multiple_lines(self):
         input = ""
         for data in self.testing_data:
-            input += ("%s\n" % data["input"])
+            input += f"{data['input']}\n"
         with mock.patch.object(basic.AnsibleModule, 'run_command') as mock_run_command:
             mock_run_command.return_value = 0, input, None
             with self.assertRaises(AnsibleExitJson) as result:
diff --git a/tests/unit/plugins/modules/test_wdc_redfish_command.py b/tests/unit/plugins/modules/test_wdc_redfish_command.py
index 02b9c1ca35..ab397cc0cb 100644
--- a/tests/unit/plugins/modules/test_wdc_redfish_command.py
+++ b/tests/unit/plugins/modules/test_wdc_redfish_command.py
@@ -222,7 +222,7 @@ def mock_get_request_enclosure_single_tenant(*args, **kwargs):
     elif args[1].endswith("/UpdateService"):
         return MOCK_SUCCESSFUL_RESPONSE_WITH_SIMPLE_UPDATE_AND_FW_ACTIVATE
     else:
-        raise RuntimeError("Illegal call to get_request in test: " + args[1])
+        raise RuntimeError(f"Illegal call to get_request in test: {args[1]}")
 
 
 def mock_get_request_enclosure_multi_tenant(*args, **kwargs):
@@ -240,7 +240,7 @@ def mock_get_request_enclosure_multi_tenant(*args, **kwargs):
     elif args[1].endswith("/IOModuleBFRU"):
         return MOCK_GET_IOM_B_MULTI_TENANAT
     else:
-        raise RuntimeError("Illegal call to get_request in test: " + args[1])
+        raise RuntimeError(f"Illegal call to get_request in test: {args[1]}")
 
 
 def mock_get_request(*args, **kwargs):
@@ -252,7 +252,7 @@ def mock_get_request(*args, **kwargs):
     elif args[1].endswith("Chassis/Enclosure"):
         return MOCK_SUCCESSFUL_RESPONSE_CHASSIS_ENCLOSURE
     else:
-        raise RuntimeError("Illegal call to get_request in test: " + args[1])
+        raise RuntimeError(f"Illegal call to get_request in test: {args[1]}")
 
 
 def mock_post_request(*args, **kwargs):
@@ -268,7 +268,7 @@ def mock_post_request(*args, **kwargs):
                 "ret": True,
                 "data": ACTION_WAS_SUCCESSFUL_MESSAGE
             }
-    raise RuntimeError("Illegal POST call to: " + args[1])
+    raise RuntimeError(f"Illegal POST call to: {args[1]}")
 
 
 def mock_get_firmware_inventory_version_1_2_3(*args, **kwargs):
@@ -570,10 +570,7 @@ class TestWdcRedfishCommand(unittest.TestCase):
         """Test Update and Activate when target is not in the correct state."""
         mock_status_code = 999
         mock_status_description = "mock status description"
-        expected_error_message = "Target is not ready for FW update.  Current status: {0} ({1})".format(
-            mock_status_code,
-            mock_status_description
-        )
+        expected_error_message = f"Target is not ready for FW update.  Current status: {mock_status_code} ({mock_status_description})"
         with set_module_args({
             'category': 'Update',
             'command': 'UpdateAndActivate',
@@ -646,7 +643,7 @@ class TestWdcRedfishCommand(unittest.TestCase):
             }
         }):
 
-            tar_name = "empty_tarfile{0}.tar".format(uuid.uuid4())
+            tar_name = f"empty_tarfile{uuid.uuid4()}.tar"
             empty_tarfile = tarfile.open(os.path.join(self.tempdir, tar_name), "w")
             empty_tarfile.close()
             with patch('ansible_collections.community.general.plugins.module_utils.wdc_redfish_utils.fetch_file') as mock_fetch_file:
@@ -885,10 +882,10 @@ class TestWdcRedfishCommand(unittest.TestCase):
 
         This can be used for a mock FW update.
         """
-        tar_name = "tarfile{0}.tar".format(uuid.uuid4())
+        tar_name = f"tarfile{uuid.uuid4()}.tar"
 
         bundle_tarfile = tarfile.open(os.path.join(self.tempdir, tar_name), "w")
-        package_filename = "oobm-{0}.pkg".format(mock_firmware_version)
+        package_filename = f"oobm-{mock_firmware_version}.pkg"
         package_filename_path = os.path.join(self.tempdir, package_filename)
         with open(package_filename_path, "w"):
             pass
diff --git a/tests/unit/plugins/modules/test_wdc_redfish_info.py b/tests/unit/plugins/modules/test_wdc_redfish_info.py
index 82cf9103b7..7dcfa7ba43 100644
--- a/tests/unit/plugins/modules/test_wdc_redfish_info.py
+++ b/tests/unit/plugins/modules/test_wdc_redfish_info.py
@@ -205,7 +205,7 @@ class TestWdcRedfishInfo(unittest.TestCase):
                 elif uri.endswith("/UpdateService"):
                     return MOCK_SUCCESSFUL_RESPONSE_WITH_SIMPLE_UPDATE_BUT_NO_FW_ACTIVATE
                 else:
-                    raise RuntimeError("Illegal call to get_request in test: " + uri)
+                    raise RuntimeError(f"Illegal call to get_request in test: {uri}")
 
             with patch("ansible_collections.community.general.plugins.module_utils.wdc_redfish_utils.WdcRedfishUtils.get_request") as mock_get_request:
                 mock_get_request.side_effect = mock_get_request_function
diff --git a/tests/unit/plugins/modules/uthelper.py b/tests/unit/plugins/modules/uthelper.py
index ee930744ec..7c420af0b7 100644
--- a/tests/unit/plugins/modules/uthelper.py
+++ b/tests/unit/plugins/modules/uthelper.py
@@ -37,7 +37,7 @@ class UTHelper(object):
                 with open(test_spec_filename, "r") as test_spec_filehandle:
                     return UTHelper.from_file(ansible_module, test_module, test_spec_filehandle, mocks=mocks)
 
-        raise Exception("Cannot find test case file for {0} with one of the extensions: {1}".format(test_module.__file__, extensions))
+        raise Exception(f"Cannot find test case file for {test_module.__file__} with one of the extensions: {extensions}")
 
     def add_func_to_test_module(self, name, func):
         setattr(self.test_module, name, func)
@@ -50,7 +50,7 @@ class UTHelper(object):
 
         spec_diff = set(test_spec.keys()) - set(self.TEST_SPEC_VALID_SECTIONS)
         if spec_diff:
-            raise ValueError("Test specification contain unknown keys: {0}".format(", ".join(spec_diff)))
+            raise ValueError(f"Test specification contain unknown keys: {', '.join(spec_diff)}")
 
         self.mocks_map = {m.name: m for m in mocks} if mocks else {}
 
@@ -125,22 +125,11 @@ class ModuleTestCase:
         self._fixtures = {}
 
     def __str__(self):
-        return "<ModuleTestCase: id={id} {input}{output}mocks={mocks} flags={flags}>".format(
-            id=self.id,
-            input="input " if self.input else "",
-            output="output " if self.output else "",
-            mocks="({0})".format(", ".join(self.mocks.keys())),
-            flags=self.flags
-        )
+        return (f"<ModuleTestCase: id={self.id} {'input ' if self.input else ''}{'output ' if self.output else ''}"
+                f"mocks=({', '.join(self.mocks.keys())}) flags={self.flags}>")
 
     def __repr__(self):
-        return "ModuleTestCase(id={id}, input={input}, output={output}, mocks={mocks}, flags={flags})".format(
-            id=self.id,
-            input=self.input,
-            output=self.output,
-            mocks=repr(self.mocks),
-            flags=self.flags
-        )
+        return f"ModuleTestCase(id={self.id}, input={self.input}, output={self.output}, mocks={self.mocks!r}, flags={self.flags})"
 
     @staticmethod
     def make_test_case(test_case_spec, test_module, mocks_map):
@@ -159,7 +148,7 @@ class ModuleTestCase:
             try:
                 mock_class = mocks_map[mock_name]
             except KeyError:
-                raise Exception("Cannot find TestCaseMock class for: {0}".format(mock_name))
+                raise Exception(f"Cannot find TestCaseMock class for: {mock_name}")
             self.mocks[mock_name] = mock_class.build_mock(mock_spec)
 
             self._fixtures.update(self.mocks[mock_name].fixtures())
@@ -184,14 +173,14 @@ class ModuleTestCase:
             mock.setup(mocker)
 
     def check_testcase(self, results):
-        print("testcase =\n%s" % repr(self))
-        print("results =\n%s" % results)
+        print(f"testcase =\n{self!r}")
+        print(f"results =\n{results}")
         if 'exception' in results:
-            print("exception = \n%s" % results["exception"])
+            print(f"exception = \n{results['exception']}")
 
         for test_result in self.output:
             assert results[test_result] == self.output[test_result], \
-                "'{0}': '{1}' != '{2}'".format(test_result, results[test_result], self.output[test_result])
+                f"'{test_result}': '{results[test_result]}' != '{self.output[test_result]}'"
 
     def check_mocks(self, test_case, results):
         for mock in self.mocks.values():
@@ -229,7 +218,7 @@ class RunCommandMock(TestCaseMock):
         @pytest.fixture
         def patch_bin(mocker):
             def mockie(self_, path, *args, **kwargs):
-                return "/testbin/{0}".format(path)
+                return f"/testbin/{path}"
             mocker.patch('ansible.module_utils.basic.AnsibleModule.get_bin_path', mockie)
 
         return {"patch_bin": patch_bin}
@@ -245,7 +234,7 @@ class RunCommandMock(TestCaseMock):
         def side_effect(self_, **kwargs):
             result = next(results)
             if kwargs.get("check_rc", False) and result[0] != 0:
-                raise Exception("rc = {0}".format(result[0]))
+                raise Exception(f"rc = {result[0]}")
             return result
 
         self.mock_run_cmd = mocker.patch('ansible.module_utils.basic.AnsibleModule.run_command', side_effect=side_effect)
@@ -253,9 +242,9 @@ class RunCommandMock(TestCaseMock):
     def check(self, test_case, results):
         call_args_list = [(item[0][0], item[1]) for item in self.mock_run_cmd.call_args_list]
         expected_call_args_list = [(item['command'], item.get('environ', {})) for item in self.mock_specs]
-        print("call args list =\n%s" % call_args_list)
-        print("expected args list =\n%s" % expected_call_args_list)
+        print(f"call args list =\n{call_args_list}")
+        print(f"expected args list =\n{expected_call_args_list}")
 
-        assert self.mock_run_cmd.call_count == len(self.mock_specs), "{0} != {1}".format(self.mock_run_cmd.call_count, len(self.mock_specs))
+        assert self.mock_run_cmd.call_count == len(self.mock_specs), f"{self.mock_run_cmd.call_count} != {len(self.mock_specs)}"
         if self.mock_run_cmd.call_count:
             assert call_args_list == expected_call_args_list
diff --git a/tests/unit/plugins/modules/xenserver_common.py b/tests/unit/plugins/modules/xenserver_common.py
index 49320ce84e..097e718651 100644
--- a/tests/unit/plugins/modules/xenserver_common.py
+++ b/tests/unit/plugins/modules/xenserver_common.py
@@ -7,4 +7,4 @@ from __future__ import annotations
 
 
 def fake_xenapi_ref(xenapi_class):
-    return "OpaqueRef:fake-xenapi-%s-ref" % xenapi_class
+    return f"OpaqueRef:fake-xenapi-{xenapi_class}-ref"