    @Test
    public void getBottomFadingEdgeStrength_childBottomIsAboveParentAndNoMargin_isZero() {

        setup(100);
        mNestedScrollView.setVerticalFadingEdgeEnabled(true);
        measureAndLayout(100);

        float expected = mNestedScrollView.getBottomFadingEdgeStrength();

        assertThat(expected, is(0f));
    }