@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());
}