Added fragments and check_mode tests

changelogs/fragments/72-mysql_user_change_detection.yml

@@ -0,0 +1,2 @@
+bugfixes:
+- mysql_user - fixed change detection when using append_privs (https://github.com/ansible-collections/community.mysql/pull/72).

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

@@ -263,7 +263,8 @@
 
     # Test that append_privs will not attempt to make a change where current privileges are a superset of new privileges
     # (https://github.com/ansible-collections/community.mysql/issues/69)
-    - include: test_priv_append_no_change.yml
+    - include: test_priv_append_no_change.yml enable_check_mode=no
+    - include: test_priv_append_no_change.yml enable_check_mode=yes
 
     # Tests for the TLS requires dictionary
     - include: tls_requirements.yml

tests/integration/targets/test_mysql_user/tasks/test_priv_append_no_change.yml

@@ -44,6 +44,7 @@
         priv: 'data1.*:SELECT/data2.*:SELECT'
         append_privs: yes
         state: present
+      check_mode: '{{ enable_check_mode }}'
       register: result
 
     - name: Assert that there wasn't a change and that the permissions are still the same