fix(tests): make user_groups integration tests distro-aware

tests/integration_tests/modules/test_users_groups.py

@@ -115,6 +115,10 @@ def test_users_groups(self, regex, getent_args, class_client):
             )
         )
 
+    @pytest.mark.skipif(
+        not IS_UBUNTU,
+        reason="Warning expectations are Ubuntu-specific",
+    )
     def test_initial_warnings(self, class_client):
         """Check for initial warnings."""
         warnings = (
@@ -134,6 +138,10 @@ def test_user_root_in_secret(self, class_client):
         groups = groups_str.split()
         assert "secret" in groups
 
+    @pytest.mark.skipif(
+        not IS_UBUNTU,
+        reason="Password unlock warning behavior differs across distros",
+    )
     def test_nopassword_unlock_warnings(self, class_client):
         """Verify warnings for empty passwords for new and existing users."""
         # Fake admin clearing and unlocking and empty unlocked password foobar
@@ -161,8 +169,8 @@ def test_nopassword_unlock_warnings(self, class_client):
 
 @pytest.mark.user_data(USER_DATA)
 @pytest.mark.skipif(
-    CURRENT_RELEASE < JAMMY,
-    reason="Requires version of sudo not available in older releases",
+    IS_UBUNTU and CURRENT_RELEASE < JAMMY,
+    reason="Requires version of sudo not available in older Ubuntu releases",
 )
 def test_sudoers_includedir(client: IntegrationInstance):
     """Ensure we don't add additional #includedir to sudoers.