@Override
  public int hashCode() {
    return Objects.hash(targetImage, imageDigest, imageId, tags, imagePushed);
  }
@Test
  public void testEquality_differentImagePushed() {
    JibContainer container1 = new JibContainer(targetImage1, digest1, digest1, tags1, true);
    JibContainer container2 = new JibContainer(targetImage1, digest1, digest1, tags1, false);

    Assert.assertNotEquals(container1, container2);
    Assert.assertNotEquals(container1.hashCode(), container2.hashCode());
  }