def METHOD_NAME(cls):
    if platform.system() == "Windows":
        pytest.skip("Windows")
    try:
        from lazyflow.utility.io_util.blockwiseFileset import BlockwiseFileset
        BlockwiseFileset._prepare_system()
    except ValueError:
        # If the system isn't configured to allow lots of open files, we can't run this test.
        pytest.skip("System is not configured to allow opening a lot of files")
    cls.tempDir = tempfile.mkdtemp()
    logger.debug("Working in {}".format(cls.tempDir))
    # Create the two sub-descriptions
    Bock11VolumeDescription = """
    {
        "_schema_name" : "RESTful-volume-description",
        "_schema_version" : 1.0,
        "name" : "Bock11-level0",
        "format" : "hdf5",
        "axes" : "zyx",
        "## NOTE 1": "The first z-slice of the bock dataset is 2917, so the origin_offset must be at least 2917",
        "## NOTE 2": "The website says that the data goes up to plane 4156, but it actually errors out past 4150",
        "origin_offset" : [2917, 0, 0],
        "bounds" : [4150, 135424, 119808],
        "dtype" : "numpy.uint8",
        "url_format" : "http://openconnecto.me/ocp/ca/bock11/hdf5/0/{x_start},{x_stop}/{y_start},{y_stop}/{z_start},{z_stop}/",
        "hdf5_dataset" : "CUTOUT"
    }
    """
    blockwiseFilesetDescription = """
    {
        "_schema_name" : "blockwise-fileset-description",
        "_schema_version" : 1.0,
        "name" : "bock11-blocks",
        "format" : "hdf5",
        "axes" : "zyx",
        "shape" : [40,40,40],
        "dtype" : "numpy.uint8",
        "block_shape" : [20, 20, 20],
        "block_file_name_format" : "block-{roiString}.h5/CUTOUT"
    }
    """
    # Combine them into the composite description (see RESTfulBlockwiseFileset.DescriptionFields)
    compositeDescription = """
    {{
        "_schema_name" : "RESTful-blockwise-fileset-description",
        "_schema_version" : 1.0,
        "remote_description" : {remote_description},
        "local_description" : {local_description}
    }}
    """.format(
        remote_description=Bock11VolumeDescription, local_description=blockwiseFilesetDescription
    )
    # Create the description file
    cls.descriptionFilePath = os.path.join(cls.tempDir, "description.json")
    with open(cls.descriptionFilePath, "w") as f:
        f.write(compositeDescription)