@Test
public void thatCanApplyBrightnessEffect() {

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