suspend fun getFirstImage (firstImageUrl: String, secondImageUrl: String, imageFetcher: ImageFetcher) {
    val images = mutableListOf<Bitmap>()
    val firstJob = launch {
        images.add(imageFetcher.getImageFromUrl(firstImageUrl))
    }
    val secondJob = launch(CommonPool) {
        images.add(imageFetcher.getImageFromUrl(secondImageUrl))
    }

    select<Unit> {
        firstJob.onJoin {
            secondJob.cancel()
        }
        secondJob.onJoin {
            secondJob.cancel()
        }
    }
}