def METHOD_NAME(self, nop_span):
    """Test setting and getting baggage."""
    # test a single item
    nop_span.set_baggage_item("test", 23)
    assert int(nop_span.get_baggage_item("test")) == 23
    # test multiple items
    nop_span.set_baggage_item("1", "1").set_baggage_item("2", 2)
    assert int(nop_span.get_baggage_item("test")) == 23
    assert nop_span.get_baggage_item("1") == "1"
    assert int(nop_span.get_baggage_item("2")) == 2