Fixing logging

Change-Id: I3bd5168110985fd06faa6a4bc2fe3d713a208337
diff --git a/test/test_tosca_parser.py b/test/test_tosca_parser.py
index c8ad4bf..b16817a 100644
--- a/test/test_tosca_parser.py
+++ b/test/test_tosca_parser.py
@@ -14,6 +14,7 @@
 # limitations under the License.
 
 
+from helpers import *
 import unittest
 import os
 from tosca.parser import TOSCA_Parser