@Test
public void get_shouldInitializeCaches() throws Exception {

    assertThat(CacheService.getBitmapLruCache()).isNull();
    assertThat(CacheService.getDiskLruCache()).isNull();
    ImageService.get(context, new ArrayList<String>(), imageServiceListener);
    assertThat(CacheService.getBitmapLruCache()).isNotNull();
    assertThat(CacheService.getDiskLruCache()).isNotNull();
}