Add parameter warn_mpm_module to control when warning are raised

tests/integration/targets/apache2_module/tasks/635-apache2-misleading-warning.yml

@@ -0,0 +1,34 @@
+---
+# This test represent the misleading behavior of the following issue: https://github.com/ansible-collections/community.general/issues/635
+- name: Disable MPM event module
+  apache2_module:
+    name: "{{ item.module}}"
+    state: "{{ item.state}}"
+    ignore_configcheck: true
+  register: disable_mpm_modules
+  with_items:
+    - { module: mpm_event, state: absent }
+    - { module: mpm_prefork, state: present }
+
+- assert:
+    that:
+    - "'warnings' in disable_mpm_modules"
+    - disable_mpm_modules["warnings"] == [
+      "No MPM module loaded! apache2 reload AND other module actions will fail if no MPM module is loaded immediately.",
+      "No MPM module loaded! apache2 reload AND other module actions will fail if no MPM module is loaded immediately."
+      ]
+
+- name: Disable MPM event module
+  apache2_module:
+    name: "{{ item.module}}"
+    state: "{{ item.state}}"
+    ignore_configcheck: true
+    warn_mpm_absent: False
+  register: disable_mpm_modules
+  with_items:
+    - { module: mpm_event, state: absent }
+    - { module: mpm_prefork, state: present }
+
+- assert:
+    that:
+    - "'warnings' not in disable_mpm_modules"

tests/integration/targets/apache2_module/tasks/actualtest.yml

@@ -180,7 +180,7 @@
       - mpm_worker
       - mpm_event
       - mpm_prefork
-    ignore_errors: yes
+    ignore_errors: true
     register: remove_with_configcheck
 
   - name: ensure configcheck fails task with when run without mpm modules

tests/integration/targets/apache2_module/tasks/main.yml

@@ -45,3 +45,8 @@
         that: modules_before.stdout == modules_after.stdout
   when: ansible_os_family in ['Debian', 'Suse']
   # centos/RHEL does not have a2enmod/a2dismod
+
+- name: include misleading warning test
+  include: 635-apache2-misleading-warning.yml
+  when: ansible_os_family in ['Debian', 'Suse']
+  # centos/RHEL does not have a2enmod/a2dismod