Change quota tests to use assertEqual

Two quota tests currently use assertSequenceEqual to compare quota
sets, causing equal, but differently ordered, sets to fail. This
change switches to assertEquals to allow those sets to succeed.

Change-Id: I0e2acb03d54457ea9aa6283843bf44be39f5a33b
Fixes: bug #1118754
diff --git a/tempest/tests/compute/admin/test_quotas.py b/tempest/tests/compute/admin/test_quotas.py
index 7c42550..0f46d62 100644
--- a/tempest/tests/compute/admin/test_quotas.py
+++ b/tempest/tests/compute/admin/test_quotas.py
@@ -69,7 +69,7 @@
         try:
             resp, quota_set = self.client.get_quota_set(self.demo_tenant_id)
             self.assertEqual(200, resp.status)
-            self.assertSequenceEqual(expected_quota_set, quota_set)
+            self.assertEqual(expected_quota_set, quota_set)
         except Exception:
             self.fail("Admin could not get the default quota set for a tenant")
 
@@ -87,7 +87,7 @@
                 self.demo_tenant_id,
                 **new_quota_set)
             self.assertEqual(200, resp.status)
-            self.assertSequenceEqual(new_quota_set, quota_set)
+            self.assertEqual(new_quota_set, quota_set)
         except Exception:
             self.fail("Admin could not update quota set for the tenant")
         finally: