Fix tests

tests/functional/openlp_core/lib/test_pluginmanager.py

@@ -437,7 +437,9 @@ class TestPluginManager(TestCase):
         mocked_plugin = MagicMock()
         mocked_plugin.name = 'Mocked Plugin'
         plugin_manager = PluginManager()
-        plugin_manager.plugins = [mocked_plugin]
+        Registry().register('mock_plugin', mocked_plugin)
+        State().add_service("mock", 1, is_plugin=True, status=PluginStatus.Active)
+        State().flush_preconditions()
 
         # WHEN: We run finalise_plugins()
         result = plugin_manager.get_plugin_by_name('Missing Plugin')

tests/functional/openlp_core/lib/test_serviceitem.py

@@ -162,7 +162,8 @@ class TestServiceItem(TestCase, TestMixin):
         assert os.path.normpath(test_file) == os.path.normpath(service_item.get_rendered_frame(0)), \
             'The first frame should match the path to the image'
         assert frame_array == service_item.get_frames()[0], 'The return should match frame array1'
-        assert test_file == service_item.get_frame_path(0), 'The frame path should match the full path to the image'
+        assert test_file == str(service_item.get_frame_path(0)), \
+            'The frame path should match the full path to the image'
         assert image_name == service_item.get_frame_title(0), 'The frame title should match the image name'
         assert image_name == service_item.get_display_title(), 'The display title should match the first image name'
         assert service_item.is_image() is True, 'This service item should be of an "image" type'