diff --git a/test/test_feature_extractors.py b/test/test_feature_extractors.py
index 3fba4aa..0a2fb99 100644
--- a/test/test_feature_extractors.py
+++ b/test/test_feature_extractors.py
@@ -416,10 +416,17 @@ class TestWordFeatureExtractor(unittest.TestCase):
         test_extractor._batched_model = MagicMock()
         # set up and run the extractor
         test_extractor.setup(words=self._MOCK_SENTENCE)
-        test_extractor.run()
-        test_extractor.teardown()
+        with self.subTest("batched"):
+            test_extractor.run()
+            test_extractor.teardown()
+            self.assertEqual(len(test_extractor.features), 9)
+            test_extractor.features = [] # reset features
 
-        self.assertEqual(len(test_extractor.features), 9)
+        with self.subTest("non-batched"):
+            test_extractor.DEFAULT_PIPELINE_TYPE = "non-batched"
+            test_extractor.run()
+            test_extractor.teardown()
+            self.assertEqual(len(test_extractor.features), 9)
 
     def test_extract_mocked_transcribe_no_matching_words(self):
         """Mock out the actual call to transcribe but match no words in the sentence"""