def test_filePathNoCommonElements(self):
        """
        L{filePathDelta} can create relative paths to totally unrelated paths
        for maximum portability.
        """
        self.assertEqual(filePathDelta(FilePath("/foo/bar"),
                                       FilePath("/baz/quux")),
                         ["..", "..", "baz", "quux"])

        L{filePathDelta} can create relative paths to totally unrelated paths
        for maximum portability.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/python/test/test_release.py