'create ccx'

def make_ccx(self):

    ccx = CustomCourseForEdX(course_id=self.course.id, coach=self.coach, display_name='Test    CCX')
    ccx.save()
    ccx_locator = CCXLocator.from_course_locator(self.course.id, unicode(ccx.id))
    role = CourseCcxCoachRole(ccx_locator)
    role.add_users(self.coach)
    CourseEnrollment.enroll(self.coach, ccx_locator)
    return ccx_locator
