'Verify that attempts to export a course as an invalid user fail'

def test_invalid_user_id(self):

    user_id = (User.objects.order_by(u'-id').first().pk + 100)
    key = str(self.course.location.course_key)
    result = export_olx.delay(user_id, key, u'en')
    self._assert_failed(result, u'Unknown    User    ID:    {}'.format(user_id))
