@Test
public void thatCanApplySaturationEffect() {

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