diff --git a/tests/test_separator.py b/tests/test_separator.py
index 976cf6c..5358d06 100644
--- a/tests/test_separator.py
+++ b/tests/test_separator.py
@@ -24,7 +24,7 @@ TEST_CONFIGURATIONS = [
 
 
 @pytest.mark.parametrize('configuration, instruments', TEST_CONFIGURATIONS)
-def test_separate():
+def test_separate(configuration, instruments):
     """ Test separation from raw data. """
     adapter = get_default_audio_adapter()
     waveform, _ = adapter.load(TEST_AUDIO_DESCRIPTOR)