def METHOD_NAME(self):
    with self.subTest("simple"):
        html = """
        <table><tbody><tr><td>cell</td></tr></tbody></table>
        """
        expected = """
        <table><tbody><tr><td>cell</td></tr></tbody></table>
        """
        converted = post_process_html(html, self.request)
        self.assertHTMLEqual(converted, expected)
    with self.subTest("attrs"):
        html = """
        <table cellspacing="1"><tbody><tr><td colspan="2" rowspan="2">cell</td></tr></tbody></table>
        """
        expected = """
        <table><tbody><tr><td colspan="2" rowspan="2">cell</td></tr></tbody></table>
        """
        converted = post_process_html(html, self.request)
        self.assertHTMLEqual(converted, expected)
    with self.subTest("header"):
        html = """
        <table><thead><tr><th>cell</th></tr></thead><tbody><tr><td>cell</td></tr></tbody></table>
        """
        expected = """
        <table><thead><tr><th>cell</th></tr></thead><tbody><tr><td>cell</td></tr></tbody></table>
        """
        converted = post_process_html(html, self.request)
        self.assertHTMLEqual(converted, expected)