test,refactor: fix test_project_resources cleanup (#8097)

Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com>

Author: shwstppr

test/integration/component/test_project_resources.py

@@ -551,66 +551,59 @@ def setUpClass(cls):
         cls.hypervisor = cls.testClient.getHypervisorInfo()
         if cls.hypervisor.lower() in ['lxc']:
             raise unittest.SkipTest("create template from volume is not supported on %s" % cls.hypervisor.lower())
+        cls._cleanup = []
 
         cls.template = get_template(
-                            cls.api_client,
-                            cls.zone.id,
-                            cls.services["ostype"]
-                            )
+            cls.api_client,
+            cls.zone.id,
+            cls.services["ostype"]
+        )
         cls.services["server"]["zoneid"] = cls.zone.id
 
         # Create Domains, Account etc
         cls.domain = Domain.create(
-                                   cls.api_client,
-                                   cls.services["domain"]
-                                   )
+            cls.api_client,
+            cls.services["domain"]
+        )
+        cls._cleanup.append(cls.domain)
 
         cls.account = Account.create(
-                            cls.api_client,
-                            cls.services["account"],
-                            domainid=cls.domain.id
-                            )
+            cls.api_client,
+            cls.services["account"],
+            domainid=cls.domain.id
+        )
+        cls._cleanup.append(cls.account)
         cls.user = Account.create(
-                            cls.api_client,
-                            cls.services["account"],
-                            domainid=cls.domain.id
-                            )
+            cls.api_client,
+            cls.services["account"],
+            domainid=cls.domain.id
+        )
+        cls._cleanup.append(cls.user)
         # Create project as a domain admin
         cls.project = Project.create(
-                                 cls.api_client,
-                                 cls.services["project"],
-                                 account=cls.account.name,
-                                 domainid=cls.account.domainid
-                                 )
+            cls.api_client,
+            cls.services["project"],
+            account=cls.account.name,
+            domainid=cls.account.domainid
+        )
+        cls._cleanup.append(cls.project)
         cls.services["account"] = cls.account.name
 
         # Create Service offering and disk offerings etc
         cls.service_offering = ServiceOffering.create(
-                                            cls.api_client,
-                                            cls.services["service_offering"]
-                                            )
+            cls.api_client,
+            cls.services["service_offering"]
+        )
+        cls._cleanup.append(cls.service_offering)
         cls.userapiclient = cls.testClient.getUserApiClient(
-                                UserName=cls.account.name,
-                                DomainName=cls.domain.name
-				)
-
-        cls._cleanup = [
-                        cls.project,
-                        cls.service_offering,
-                        cls.account,
-                        cls.user,
-                        cls.domain
-                        ]
+            UserName=cls.account.name,
+            DomainName=cls.domain.name
+        )
         return
 
     @classmethod
     def tearDownClass(cls):
-        try:
-            #Cleanup resources used
-            cleanup_resources(cls.api_client, cls._cleanup)
-        except Exception as e:
-            raise Exception("Warning: Exception during cleanup : %s" % e)
-        return
+        super(TestTemplates, cls).tearDownClass()
 
     def setUp(self):
         self.apiclient = self.testClient.getApiClient()
@@ -619,12 +612,7 @@ def setUp(self):
         return
 
     def tearDown(self):
-        try:
-            #Clean up, terminate the created instance, volumes and snapshots
-            cleanup_resources(self.apiclient, self.cleanup)
-        except Exception as e:
-            raise Exception("Warning: Exception during cleanup : %s" % e)
-        return
+        super(TestTemplates, self).tearDown()
 
     @attr(tags=["advanced", "basic", "sg", "eip", "advancedns"], required_hardware="false")
     def test_04_public_private_template_use_in_project(self):