@Test
public void persistOfflineMapTaskShouldReturnFalseWhenGivenNullIntentExtras() {

    Intent sampleExtra = new Intent();
    assertEquals(false, mapboxOfflineDownloaderService.persistOfflineMapTask(sampleExtra));
    sampleExtra.putExtra("SOME EXTRA", "");
    assertEquals(false, mapboxOfflineDownloaderService.persistOfflineMapTask(sampleExtra));
}