fix module path containing BaseTestCase

tests/test_internal_controller.py

@@ -22,7 +22,7 @@ from __future__ import absolute_import
 from flask import json
 
 from aura_engine_api.rest.models.clock_info import ClockInfo  # noqa: E501
-from aura_engine_api.rest.test import BaseTestCase
+from tests import BaseTestCase
 
 
 class TestInternalController(BaseTestCase):

tests/test_public_controller.py

@@ -20,7 +20,7 @@
 from __future__ import absolute_import
 
 # from aura_engine_api.rest.models.track import Track  # noqa: E501
-from aura_engine_api.rest.test import BaseTestCase
+from tests import BaseTestCase
 
 # from flask import json
 # from six import BytesIO