diff --git a/tests/laborious/activities/test_opc.py b/tests/laborious/activities/test_opc.py
index 669f82b..76afed5 100644
--- a/tests/laborious/activities/test_opc.py
+++ b/tests/laborious/activities/test_opc.py
@@ -276,13 +276,11 @@ async def test_write_opc_data_success(mock_dataframe, opc):
     opc.manage_output_tags = AsyncMock(return_value=(True, {'tag1': 0.1, 'tag2': 0.2}))
 
     opc.process_confidence = MagicMock(return_value={'data': 'data'})
-    output = await opc.write_opc_data(input_data)
+    output_data, opc_metrics = await opc.write_opc_data(input_data)
 
     # Assert
-    assert output == {
-        'data': {'data': 'data'},
-        'metrics': {'server1': {'tag1': 0.1, 'tag2': 0.2}},
-    }
+    assert output_data == {'data': 'data'}
+    assert opc_metrics == {'server1': {'tag1': 0.1, 'tag2': 0.2}}
     opc.manage_output_tags.assert_called_once_with(
         'server1',
         input_data['opc_output_config']['server1'],