@Test
public void thatCanApplyBlurEffect() {

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