@Test
public void thatCanApplyGradientFadeEffect() {

    assertThat(HaloCloudinary.Effects.gradientFade(10).toString().equals("e_gradient_fade:10")).isTrue();
    assertThat(HaloCloudinary.Effects.gradientFade(null).toString().equals("e_gradient_fade")).isTrue();
    assertThat(HaloCloudinary.Effects.gradientFade(-1000).toString().equals("e_gradient_fade")).isTrue();
}