@Test
public void loadBanner_whenAdConfigurationMissing_shouldNotifyBannerListenerFailureAndReturn() {

    localExtras.remove(AD_CONFIGURATION_KEY);
    subject.loadBanner(context, mockBannerListener, localExtras, serverExtras);
    verify(mockBannerListener).onBannerFailed(eq(MRAID_LOAD_ERROR));
}