@Test
public void testSetBackgroundColor() throws Exception {

    int color1 = 1;
    int color2 = 2;
    int color3 = 3;
    int color4 = 4;
    ViewHelper.setBackgroundColor(mCacheView, NULL_VIEW_ID, color1);
    ViewHelper.setBackgroundColor(mCacheView, VIEW_ID, color2);
    ViewHelper.setBackgroundColor(mCacheView, IMAGEVIEW_ID, color3);
    ViewHelper.setBackgroundColor(mCacheView, TEXTVIEW_ID, color4);
    verify(mView).setBackgroundColor(color2);
    verify(mImageView).setBackgroundColor(color3);
    verify(mTextView).setBackgroundColor(color4);
    verifyNoMoreInteractions(mView, mImageView, mTextView);
}