How to use the gita.utils.get_repos.cache_clear function in gita

def test_rename(mock_rename, _, __):
    utils.get_repos.cache_clear()
    args = ['rename', 'repo1', 'abc']
    __main__.main(args)
    mock_rename.assert_called_once_with(
        {'repo1': '/a/bcd/repo1', 'repo2': '/e/fgh/repo2',
            'xxx': '/a/b/c/repo3'},
        'repo1', 'abc')

def testLl(self, mock_path_fname, capfd, tmp_path):
        """ functional test """
        # avoid modifying the local configuration
        mock_path_fname.return_value = tmp_path / 'path_config.txt'
        __main__.main(['add', '.'])
        out, err = capfd.readouterr()
        assert err == ''
        assert 'Found 1 new repo(s).\n' == out

        # in production this is not needed
        utils.get_repos.cache_clear()

        __main__.main(['ls'])
        out, err = capfd.readouterr()
        assert err == ''
        assert 'gita\n' == out

        __main__.main(['ll'])
        out, err = capfd.readouterr()
        assert err == ''
        assert 'gita' in out

        __main__.main(['ls', 'gita'])
        out, err = capfd.readouterr()
        assert err == ''
        assert out.strip() == utils.get_repos()['gita']

def test_get_repos(mock_path_fname, _, path_fname, expected):
    mock_path_fname.return_value = path_fname
    utils.get_repos.cache_clear()
    repos = utils.get_repos()
    assert repos == expected

def testWithPathFiles(self, mock_path_fname, _0, _1, _2, _3, path_fname,
                          expected, capfd):
        mock_path_fname.return_value = path_fname
        utils.get_repos.cache_clear()
        __main__.main(['ll'])
        out, err = capfd.readouterr()
        print(out)
        assert err == ''
        assert out == expected