def METHOD_NAME(self) -> None:
    """
    Test unpacking a *.tar with regular files,
    no file will be installed outside target directory after unpack
    so no exception raised
    """
    files = [
        "regular_file1.txt",
        os.path.join("dir", "dir_file1.txt"),
        os.path.join("dir", "..", "dir_file2.txt"),
    ]
    test_tar = self.make_tar_file("test_tar.tar", files)
    untar_file(test_tar, self.tempdir)