diff --git a/InvenTree/InvenTree/ci_render_js.py b/InvenTree/InvenTree/ci_render_js.py
index 824fe5d7e3..1be38df107 100644
--- a/InvenTree/InvenTree/ci_render_js.py
+++ b/InvenTree/InvenTree/ci_render_js.py
@@ -4,7 +4,7 @@ only used for testing the js files! - This file is omited from coverage
 """
 
 import os  # pragma: no cover
-import pathlib
+import pathlib  # pragma: no cover
 
 from InvenTree.helpers import InvenTreeTestCase  # pragma: no cover
 
diff --git a/InvenTree/InvenTree/tests.py b/InvenTree/InvenTree/tests.py
index 5bb97ae934..f306cce32a 100644
--- a/InvenTree/InvenTree/tests.py
+++ b/InvenTree/InvenTree/tests.py
@@ -412,7 +412,7 @@ class CurrencyTests(TestCase):
                 update_successful = True
                 break
 
-            else:
+            else:  # pragma: no cover
                 print("Exchange rate update failed - retrying")
                 time.sleep(1)
 
diff --git a/InvenTree/common/tests.py b/InvenTree/common/tests.py
index 66f9846043..b325d50170 100644
--- a/InvenTree/common/tests.py
+++ b/InvenTree/common/tests.py
@@ -156,14 +156,14 @@ class SettingsTest(InvenTreeTestCase):
 
             try:
                 self.run_settings_check(key, setting)
-            except Exception as exc:
+            except Exception as exc:  # pragma: no cover
                 print(f"run_settings_check failed for global setting '{key}'")
                 raise exc
 
         for key, setting in InvenTreeUserSetting.SETTINGS.items():
             try:
                 self.run_settings_check(key, setting)
-            except Exception as exc:
+            except Exception as exc:  # pragma: no cover
                 print(f"run_settings_check failed for user setting '{key}'")
                 raise exc
 
@@ -501,8 +501,12 @@ class PluginSettingsApiTest(InvenTreeAPITestCase):
         """List installed plugins via API"""
         url = reverse('api-plugin-list')
 
+        # Simple request
         self.get(url, expected_code=200)
 
+        # Request with filter
+        self.get(url, expected_code=200, data={'mixin': 'settings'})
+
     def test_api_list(self):
         """Test list URL"""
         url = reverse('api-plugin-setting-list')
diff --git a/InvenTree/part/test_part.py b/InvenTree/part/test_part.py
index e6d01e9aa9..d3b8e85a02 100644
--- a/InvenTree/part/test_part.py
+++ b/InvenTree/part/test_part.py
@@ -58,7 +58,7 @@ class TemplateTagTest(InvenTreeTestCase):
 
     def test_hash(self):
         result_hash = inventree_extras.inventree_commit_hash()
-        if settings.DOCKER:
+        if settings.DOCKER:  # pragma: no cover
             # Testing inside docker environment *may* return an empty git commit hash
             # In such a case, skip this check
             pass
@@ -67,7 +67,7 @@ class TemplateTagTest(InvenTreeTestCase):
 
     def test_date(self):
         d = inventree_extras.inventree_commit_date()
-        if settings.DOCKER:
+        if settings.DOCKER:  # pragma: no cover
             # Testing inside docker environment *may* return an empty git commit hash
             # In such a case, skip this check
             pass
diff --git a/InvenTree/plugin/apps.py b/InvenTree/plugin/apps.py
index 9f9cb15d1a..2a1ef9f71a 100644
--- a/InvenTree/plugin/apps.py
+++ b/InvenTree/plugin/apps.py
@@ -20,7 +20,7 @@ class PluginAppConfig(AppConfig):
     def ready(self):
         if settings.PLUGINS_ENABLED:
             if not canAppAccessDatabase(allow_test=True):
-                logger.info("Skipping plugin loading sequence")
+                logger.info("Skipping plugin loading sequence")  # pragma: no cover
             else:
                 logger.info('Loading InvenTree plugins')
 
@@ -48,4 +48,4 @@ class PluginAppConfig(AppConfig):
                 log_error(_('Your enviroment has an outdated git version. This prevents InvenTree from loading plugin details.'), 'load')
 
         else:
-            logger.info("Plugins not enabled - skipping loading sequence")
+            logger.info("Plugins not enabled - skipping loading sequence")  # pragma: no cover
diff --git a/InvenTree/plugin/base/integration/mixins.py b/InvenTree/plugin/base/integration/mixins.py
index 18b4cb0fd4..fef2a51681 100644
--- a/InvenTree/plugin/base/integration/mixins.py
+++ b/InvenTree/plugin/base/integration/mixins.py
@@ -57,10 +57,10 @@ class SettingsMixin:
         except (OperationalError, ProgrammingError):  # pragma: no cover
             plugin = None
 
-        if not plugin:
+        if not plugin:  # pragma: no cover
             # Cannot find associated plugin model, return
             logger.error(f"Plugin configuration not found for plugin '{self.slug}'")
-            return  # pragma: no cover
+            return
 
         PluginSetting.set_setting(key, value, user, plugin=plugin)
 
diff --git a/InvenTree/users/tests.py b/InvenTree/users/tests.py
index 5678c8d6da..393b640d2e 100644
--- a/InvenTree/users/tests.py
+++ b/InvenTree/users/tests.py
@@ -180,11 +180,23 @@ class OwnerModelTest(InvenTreeTestCase):
         group_as_owner = Owner.get_owner(self.group)
         self.assertEqual(type(group_as_owner), Owner)
 
+        # Check name
+        self.assertEqual(str(user_as_owner), 'testuser (user)')
+
         # Get related owners (user + group)
         related_owners = group_as_owner.get_related_owners(include_group=True)
         self.assertTrue(user_as_owner in related_owners)
         self.assertTrue(group_as_owner in related_owners)
 
+        # Get related owners (only user)
+        related_owners = group_as_owner.get_related_owners(include_group=False)
+        self.assertTrue(user_as_owner in related_owners)
+        self.assertFalse(group_as_owner in related_owners)
+
+        # Get related owners on user
+        related_owners = user_as_owner.get_related_owners()
+        self.assertEqual(related_owners, [user_as_owner])
+
         # Check owner matching
         owners = Owner.get_owners_matching_user(self.user)
         self.assertEqual(owners, [user_as_owner, group_as_owner])