assertEquals is deprecated, use assertEqual

assertEquals is deprecated in Python 2.7 , need drop it
http://docs.python.org/2/library/unittest.html#deprecated-aliases

Change-Id: I05061251efe1ea840dd9741d254babcf0f565068
diff --git a/tempest/api/identity/admin/test_roles.py b/tempest/api/identity/admin/test_roles.py
index ac145c6..c234efd 100644
--- a/tempest/api/identity/admin/test_roles.py
+++ b/tempest/api/identity/admin/test_roles.py
@@ -171,7 +171,7 @@
                                                        user['id'], role['id'])
         resp, body = self.client.remove_user_role(tenant['id'], user['id'],
                                                   user_role['id'])
-        self.assertEquals(resp['status'], '204')
+        self.assertEqual(resp['status'], '204')
 
     @attr(type='gate')
     def test_remove_user_role_by_unauthorized_user(self):
diff --git a/tempest/api/identity/admin/test_services.py b/tempest/api/identity/admin/test_services.py
index 2be0c29..508c177 100644
--- a/tempest/api/identity/admin/test_services.py
+++ b/tempest/api/identity/admin/test_services.py
@@ -50,7 +50,7 @@
             self.assertTrue(resp['status'].startswith('2'))
             # verifying the existence of service created
             self.assertIn('id', fetched_service)
-            self.assertEquals(fetched_service['id'], service_data['id'])
+            self.assertEqual(fetched_service['id'], service_data['id'])
             self.assertIn('name', fetched_service)
             self.assertEqual(fetched_service['name'], service_data['name'])
             self.assertIn('type', fetched_service)
diff --git a/tempest/api/identity/admin/test_users.py b/tempest/api/identity/admin/test_users.py
index 3455b5d..057e633 100644
--- a/tempest/api/identity/admin/test_users.py
+++ b/tempest/api/identity/admin/test_users.py
@@ -109,9 +109,9 @@
         resp, user = self.client.create_user(alt_user2, self.alt_password,
                                              self.data.tenant['id'],
                                              self.alt_email)
-        self.assertEquals('200', resp['status'])
+        self.assertEqual('200', resp['status'])
         resp, body = self.client.delete_user(user['id'])
-        self.assertEquals('204', resp['status'])
+        self.assertEqual('204', resp['status'])
 
     @attr(type=['negative', 'gate'])
     def test_delete_users_by_unauthorized_user(self):
@@ -236,7 +236,7 @@
         resp, user1 = self.client.create_user(alt_tenant_user1, 'password1',
                                               self.data.tenant['id'],
                                               'user1@123')
-        self.assertEquals('200', resp['status'])
+        self.assertEqual('200', resp['status'])
         user_ids.append(user1['id'])
         self.data.users.append(user1)
 
@@ -244,7 +244,7 @@
         resp, user2 = self.client.create_user(alt_tenant_user2, 'password2',
                                               self.data.tenant['id'],
                                               'user2@123')
-        self.assertEquals('200', resp['status'])
+        self.assertEqual('200', resp['status'])
         user_ids.append(user2['id'])
         self.data.users.append(user2)
         # List of users for the respective tenant ID
@@ -273,22 +273,22 @@
         user_ids.append(user['id'])
         resp, role = self.client.assign_user_role(tenant['id'], user['id'],
                                                   role['id'])
-        self.assertEquals('200', resp['status'])
+        self.assertEqual('200', resp['status'])
 
         alt_user2 = rand_name('second_user_')
         resp, second_user = self.client.create_user(alt_user2, 'password1',
                                                     self.data.tenant['id'],
                                                     'user2@123')
-        self.assertEquals('200', resp['status'])
+        self.assertEqual('200', resp['status'])
         user_ids.append(second_user['id'])
         self.data.users.append(second_user)
         resp, role = self.client.assign_user_role(tenant['id'],
                                                   second_user['id'],
                                                   role['id'])
-        self.assertEquals('200', resp['status'])
+        self.assertEqual('200', resp['status'])
         # List of users with roles for the respective tenant ID
         resp, body = self.client.list_users_for_tenant(self.data.tenant['id'])
-        self.assertEquals('200', resp['status'])
+        self.assertEqual('200', resp['status'])
         for i in body:
             fetched_user_ids.append(i['id'])
         # verifying the user Id in the list