human
Complete the below
@pytest.fixture
def record_xml_property(request):

    ''''Add extra xml properties to the tag for the calling test.
    The fixture is callable with ``(name, value)``, with value being automatically
    xml-encoded.'
    '''
 Can you provide a the Python code you requested?
assistant
#Here is the Python code you requested.
    request.node.warn(code='C3', message='record_xml_property    is    an    experimental    feature')
    xml = getattr(request.config, '_xml', None)
    if (xml is not None):
        node_reporter = xml.node_reporter(request.node.nodeid)
        return node_reporter.add_property
    else:
        def add_property_noop(name, value):
            pass
        return add_property_noop