def METHOD_NAME():
    """Trying to put the same file twice should cause an error"""
    testdata = b'foo bar\n'
    clusterIO.put_file('_testing/test_d.txt', testdata, 'TES1')
    try:
        clusterIO.put_file('_testing/test_d.txt', testdata, 'TES1')
        raise AssertionError('Second put attempt did not raise an error')
    except RuntimeError:
        #we want to generate this error
        pass
    #retrieved = clusterIO.getFile('test.txt', 'TES1')
    #assert testdata == retrieved