@Test
public void thatCanApplyColorizeEffect() {

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