public DockerImagesCommand getSingleImageStatus(String imageName) {
    Preconditions.checkNotNull(imageName, "imageName");
    super.addCommandArguments("image", imageName);
    return this;
  }
@Test
  public void testSingleImage() {
    dockerImagesCommand = dockerImagesCommand.getSingleImageStatus(IMAGE_NAME);
    assertEquals("images", StringUtils.join(",",
        dockerImagesCommand.getDockerCommandWithArguments()
            .get("docker-command")));
    assertEquals("image name", "foo", StringUtils.join(",",
        dockerImagesCommand.getDockerCommandWithArguments().get("image")));
    assertEquals(2, dockerImagesCommand.getDockerCommandWithArguments().size());
  }