@Test
public void loadPositionsTwice_shouldCancelPreviousDownloadTask_shouldNotCallListener() {

    subject.loadPositions("test_ad_unit", mockPositioningListener);
    subject.loadPositions("test_ad_unit", mockPositioningListener);
    verify(mockDownloadTask).cancel(true);
    verify(mockPositioningListener, never()).onFailed();
    verify(mockPositioningListener, never()).onLoad(any(MoPubClientPositioning.class));
}