[Flaky test] openedx/core/djangoapps/user_authn/views/tests/test_logistration.py::LoginAndRegistrationTest::test_login_and_registration_form_ratelimited

[Flaky test] openedx/core/djangoapps/user_authn/views/tests/test_logistration.py::LoginAndRegistrationTest::test_login_and_registration_form_ratelimited #455