'create ccx'

def make_ccx(self, max_students_allowed=settings.CCX_MAX_STUDENTS_ALLOWED):

    ccx = CcxFactory(course_id=self.course.id, coach=self.coach)
    override_field_for_ccx(ccx, self.course, 'max_student_enrollments_allowed', max_students_allowed)
    return ccx
