Fix manila scenario

Change-Id: If5e1a388e97a8b3b9c1d09aa9aba1f62eb0427df
diff --git a/tcp_tests/managers/runtestmanager.py b/tcp_tests/managers/runtestmanager.py
index 964c78e..778691f 100644
--- a/tcp_tests/managers/runtestmanager.py
+++ b/tcp_tests/managers/runtestmanager.py
@@ -26,7 +26,8 @@
 TEMPEST_CFG_DIR = '/tmp/test'
 
 CONFIG = {
-    'classes': ['service.runtest.tempest'],
+    'classes': ['service.runtest.tempest',
+                'service.runtest.tempest.services.manila.glance'],
     'parameters': {
         '_param': {
             'runtest_tempest_cfg_dir': TEMPEST_CFG_DIR,