Fixed test in rest-gateway

src/rest-gateway/app/tests/manage_sys_paths.py

 # add modules folder to interpreter path
 import sys
 import os
-modules_paths = ['../', '../../../modules/']
+modules_paths = ['../', '../../../modules/', '../../modules']
 for path in modules_paths:
     if os.path.exists(path):
         sys.path.insert(1, path)

src/rest-gateway/app/tests/test_blockchain_trace.py

@@ -5,7 +5,7 @@ from messaging.DummyMessageManager import DummyMessageManager
 # init dummy message manager so no connection to rabbitmq is established
 _ = DummyMessageManager.get_instance()
 
-import rest.blockchain_trace as blockchain_trace
+import routes.blockchain_trace as blockchain_trace
 
 class Test_BlockchainTrace(unittest.TestCase):