def METHOD_NAME(self):
    user = self._create_user(
        "john",
        "password",
        first_name="John",
        last_name="Smith",
        email="john@smith.net",
    )
    cw = Crosswalk.objects.get(user=user)
    self.assertEqual(cw.user_mbi_hash, self.test_mbi_hash)
    cw.user_mbi_hash = (
        "239e178537ed3bc486e6a7195a47a82a2cd6f46e911660fe9775f6e0dd3f1130"
    )
    cw.save()