Class TreeBuilderSubclass

Lib/test/test_xml_etree.py:3769–3770

    def test_late_tail(self):
        # Issue #37399: The tail of an ignored comment could overwrite the text before it.
        class TreeBuilderSubclass(ET.TreeBuilder):
            pass

        xml = "<a>text<!-- comment -->tail</a>"
        a = ET.fromstring(xml)