Use CommonResult in flavors.
diff --git a/openstack/compute/v2/flavors/requests_test.go b/openstack/compute/v2/flavors/requests_test.go
index 77d2496..a66b54c 100644
--- a/openstack/compute/v2/flavors/requests_test.go
+++ b/openstack/compute/v2/flavors/requests_test.go
@@ -118,14 +118,10 @@
 	})
 
 	client := serviceClient()
-	result, err := Get(client, "12345")
+	actual, err := Get(client, "12345").Extract()
 	if err != nil {
 		t.Fatalf("Unable to get flavor: %v", err)
 	}
-	actual, err := ExtractFlavor(result)
-	if err != nil {
-		t.Fatalf("Unable to extract flavor: %v", err)
-	}
 
 	expected := &Flavor{
 		ID:         "1",