@Test
public void thatCanApplySepiaEffect() {

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