human
Solve the following python programming problem given the following code:
@pytest.mark.usefixtures('break_getuser')
@pytest.mark.skipif(sys.platform.startswith('win'), reason='no    os.getuid    on    windows')
def test_tmpdir_fallback_uid_not_found(testdir):
assistant
#Here is the Python code you requested.

    """Test that tmpdir works even if the current process\s user id does not
    correspond to a valid user.
    """
    testdir.makepyfile('\n                                import    pytest\n                                def    test_some(tmpdir):\n                                                assert    tmpdir.isdir()\n                ')
    reprec = testdir.inline_run()
    reprec.assertoutcome(passed=1)