def METHOD_NAME(upgrader, analysis_step_8):
    value = upgrader.upgrade('analysis_step', analysis_step_8, current_version='8', target_version='9')
    assert value['schema_version'] == '9'
    assert 'representative dnase hypersensitivity sites' not in value['input_file_types']
    assert 'representative dnase hypersensitivity sites' not in value['output_file_types']
    assert 'representative DNase hypersensitivity sites (rDHSs)' in value['input_file_types']
    assert 'representative DNase hypersensitivity sites (rDHSs)' in value['output_file_types']