use QuotaSet consistently; fix unit test
diff --git a/openstack/compute/v2/extensions/quotasets/requests_test.go b/openstack/compute/v2/extensions/quotasets/requests_test.go
index 8c2a6c6..5d766fa 100644
--- a/openstack/compute/v2/extensions/quotasets/requests_test.go
+++ b/openstack/compute/v2/extensions/quotasets/requests_test.go
@@ -12,5 +12,5 @@
 	HandleGetSuccessfully(t)
 	actual, err := Get(client.ServiceClient(), FirstTenantID).Extract()
 	th.AssertNoErr(t, err)
-	th.CheckDeepEquals(t, &FirstQuotaset, actual)
+	th.CheckDeepEquals(t, &FirstQuotaSet, actual)
 }