tearDownClass and not teardown

Include the affinity group in the deletion/cleanup

Signed-off-by: Prasanna Santhanam <tsp@apache.org>
(cherry picked from commit af9a8de901)

test/integration/smoke/test_affinity_groups.py

@@ -103,6 +103,7 @@ class TestDeployVmWithAffinityGroup(cloudstackTestCase):
 
         cls._cleanup = [
             cls.service_offering,
+            cls.ag,
             cls.account,
         ]
         return
@@ -185,9 +186,8 @@ class TestDeployVmWithAffinityGroup(cloudstackTestCase):
 
 
         @classmethod
-        def tearDown(cls):
+        def tearDownClass(cls):
             try:
-                #cls.api_client = super(TestDeployVmWithAffinityGroup, cls).getClsTestClient().getApiClient()
                 #Clean up, terminate the created templates
                 cleanup_resources(cls.api_client, cls._cleanup)
             except Exception as e: