test: do not start server where possible (#461)

##### SUMMARY

Reduce test time by not starting servers when not required.

tests/integration/targets/floating_ip/tasks/test.yml

@@ -21,7 +21,7 @@
     name: "{{ hcloud_server_name }}"
     server_type: cx11
     image: ubuntu-22.04
-    state: started
+    state: stopped
     location: "fsn1"
   register: main_server
 - name: verify setup server
@@ -34,7 +34,7 @@
     name: "{{ hcloud_server_name }}2"
     server_type: cx11
     image: ubuntu-22.04
-    state: started
+    state: stopped
   register: main_server2
 - name: verify setup another server
   assert:

tests/integration/targets/load_balancer_info/tasks/prepare.yml

@@ -4,7 +4,7 @@
     name: "{{ hcloud_server_name }}"
     server_type: cx11
     image: ubuntu-22.04
-    state: started
+    state: stopped
   register: test_server
 
 - name: Create test_load_balancer

tests/integration/targets/load_balancer_target/tasks/test.yml

@@ -6,7 +6,7 @@
     name: "{{hcloud_server_name}}"
     server_type: cx11
     image: ubuntu-22.04
-    state: started
+    state: stopped
     location: "fsn1"
   register: server
 - name: verify setup server

tests/integration/targets/server_info/tasks/prepare.yml

@@ -4,7 +4,7 @@
     name: "{{ hcloud_server_name }}"
     server_type: cx11
     image: ubuntu-22.04
-    state: started
+    state: stopped
     labels:
       key: value
   register: test_server

tests/integration/targets/volume/tasks/test.yml

@@ -6,7 +6,7 @@
     name: "{{hcloud_server_name}}"
     server_type: cx11
     image: ubuntu-22.04
-    state: started
+    state: stopped
     location: "fsn1"
   register: vol_server
 - name: verify setup server