def METHOD_NAME(self):
    contents_resolver = get_contents_resolver(
        self.reg_page.regulation.effective_version
    )
    result = regdown(
        self.section_3.contents,
        contents_resolver=contents_resolver,
        render_block_reference=DEFAULT_RENDER_BLOCK_REFERENCE,
    )
    self.assertEqual(
        result,
        '<p class="regdown-block level-0" data-label="b" id="b">'
        "Securities credit.</p>",
    )