Merge "Switch all uses of json to oslo_serialization"
diff --git a/tempest/api/compute/test_quotas.py b/tempest/api/compute/test_quotas.py
index e302798..9f37143 100644
--- a/tempest/api/compute/test_quotas.py
+++ b/tempest/api/compute/test_quotas.py
@@ -20,6 +20,13 @@
 
 class QuotasTestJSON(base.BaseV2ComputeTest):
 
+    @classmethod
+    def skip_checks(cls):
+        super(QuotasTestJSON, cls).skip_checks()
+        if not test.is_extension_enabled('os-quota-sets', 'compute'):
+            msg = "quotas extension not enabled."
+            raise cls.skipException(msg)
+
     def setUp(self):
         # NOTE(mriedem): Avoid conflicts with os-quota-class-sets tests.
         self.useFixture(fixtures.LockFixture('compute_quotas'))