def metadataAbstractElementOptionalAttributesTest3():
    metadata = """<?xml version="1.0" encoding="UTF-8"?>
    <test optional1="foo" />
    """
    return ElementTree.fromstring(metadata)
Optional attribute not present, don't issue note.
dataset/ETHPy150Open typesupply/woffTools/Lib/woffTools/test/test_validate.py/metadataAbstractElementOptionalAttributesTest3