def test_path_exists_in_image(official_image):
    assert utils.path_exists_in_image(OFFICIAL_IMAGE, "/usr/local/bin/dub")
    assert utils.path_exists_in_image(OFFICIAL_IMAGE, "/usr/local/bin/cub")
 def test_dub_exists(self):
     self.assertTrue(utils.path_exists_in_image(self.image, "/usr/local/bin/dub"))
     self.assertTrue(utils.path_exists_in_image(self.image, "/usr/local/bin/cub"))