def test_extrasRequiresSoapDeps(self):
        """
        L{_EXTRAS_REQUIRE}' C{soap} extra contains setuptools requirements for
        the packages required to make the C{twisted.web.soap} module function.
        """
        self.assertIn(
            'soappy',
            _EXTRAS_REQUIRE['soap']
        )

        L{_EXTRAS_REQUIRE}' C{soap} extra contains setuptools requirements for
        the packages required to make the C{twisted.web.soap} module function.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/python/test/test_setup.py