</NotificationConfiguration>
`)
	config3 := &Config{}
	if err := xml.Unmarshal(data, config3); err != nil {
		panic(err)
	}

	testCases := []struct {
		config         *Config
		region         string
		expectedResult []ARN
	}{
		{config1, "eu-west-1", []ARN{{TargetID{"1", "webhook"}, "eu-west-1"}}},
		{config1, "", []ARN{{TargetID{"1", "webhook"}, ""}}},