diff --git a/tests/unit/test_s3.py b/tests/unit/test_s3.py
index <HASH>..<HASH> 100644
--- a/tests/unit/test_s3.py
+++ b/tests/unit/test_s3.py
@@ -27,9 +27,9 @@ class S3Tests(unittest.TestCase):
     @classmethod
     def setUpClass(cls):
         # create mock session, replace dummytoken with real token to create cassette
-        #mock_gbdx_session = get_mock_gbdx_session(token="dummytoken")
-        #cls.gbdx = Interface(gbdx_connection=mock_gbdx_session)
-        cls.gbdx = Interface()
+        mock_gbdx_session = get_mock_gbdx_session(token="dummytoken")
+        cls.gbdx = Interface(gbdx_connection=mock_gbdx_session)
+        #cls.gbdx = Interface()
         cls._temp_path = tempfile.mkdtemp()
         print("Created: {}".format(cls._temp_path))
using mock interface in s3 test