return err
	}

	// Empty queue list means user wants to delete the notification configuration.
	if len(parsedConfig.QueueList) > 0 {
		for i, q1 := range parsedConfig.QueueList[:len(parsedConfig.QueueList)-1] {
			for _, q2 := range parsedConfig.QueueList[i+1:] {
				// Removes the region from ARN if server region is not set
				if q2.ARN.region != "" && q1.ARN.region == "" {
					q2.ARN.region = ""
				}

				// configuration we won't see this problem anymore.
				if reflect.DeepEqual(queue.ARN, arnErr.ARN) && i < len(config.QueueList) {
					config.QueueList = append(config.QueueList[:i],
						config.QueueList[i+1:]...)
				}
				// This is a one time activity we shall do this
				// here and allow stale ARN to be removed. We shall
				// never reach a stage where we will have stale
				// notification configs.
			}

	}

	for i, testCase := range testCases {
		testCase.config.SetRegion(testCase.region)
		result := []ARN{}
		for _, queue := range testCase.config.QueueList {
			result = append(result, queue.ARN)
		}

		if !reflect.DeepEqual(result, testCase.expectedResult) {
			t.Fatalf("test %v: data: expected: %v, got: %v", i+1, testCase.expectedResult, result)
		}
	}
}