Skipp tests for zaqar

We do not support this service and it must be skipped

Change-Id: I2abb4e61fc0eb65d7b944cd8141d5cbe8bf4a0ea
(cherry picked from commit d160e4936951108b30eb674bf94e2d3038d19490)
diff --git a/tempest/common/utils/__init__.py b/tempest/common/utils/__init__.py
index 225a713..8b2fc8e 100644
--- a/tempest/common/utils/__init__.py
+++ b/tempest/common/utils/__init__.py
@@ -58,6 +58,7 @@
         # So we should set this True here.
         'identity': True,
         'object_storage': CONF.service_available.swift,
+        'zaqar': False,
     }
     return service_list