@Test
public void getAdView_withoutNetworkImpressionTracker_shouldAddViewToImpressionTracker_shouldPrepareNativeResponse() throws Exception {

    NativeAdViewHelper.sImpressionTrackerMap.put(context, mockImpressionTracker);
    when(mockNativeResponse1.isOverridingImpressionTracker()).thenReturn(false);
    NativeAdViewHelper.getAdView(relativeLayout, viewGroup, context, mockNativeResponse1, viewBinder);
    verify(mockImpressionTracker).addView(relativeLayout, mockNativeResponse1);
    verify(mockNativeResponse1).prepare(relativeLayout);
}