### Question:
DisplayHelperBase implements DisplayHelper { @SuppressWarnings("deprecation") @Override public int getDisplayAngle() { return getDefaultDisplay().getOrientation(); } DisplayHelperBase(final Context context); @SuppressWarnings("deprecation") @Override int getDisplayAngle(); @SuppressWarnings("deprecation") @Override Point getDisplaySize(); @Override Point getRawDisplaySize();  }### Answer:
@Test public void testGetDisplayAngle() { assertEquals(new DisplayHelperBase(Robolectric.application).getDisplayAngle(), mShadowDisplay.getOrientation()); }