def test_package(self):
        """
        L{fullyQualifiedName} returns the full name of a package and a
        subpackage.
        """
        import twisted
        self._checkFullyQualifiedName(twisted, 'twisted')
        import twisted.python
        self._checkFullyQualifiedName(twisted.python, 'twisted.python')

        L{fullyQualifiedName} returns the full name of a package and a
        subpackage.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/test/test_reflect.py