public static boolean isDockerInstalled(Path dockerExecutable) {
    return Files.exists(dockerExecutable);
  }
@Test
  public void testIsDockerInstalled_pass() throws URISyntaxException {
    Assert.assertTrue(
        CliDockerClient.isDockerInstalled(
            Paths.get(Resources.getResource("core/docker/emptyFile").toURI())));
  }