'Initialize the page.
Arguments:
browser (Browser): The browser instance.
user_id: id of the user whom certificate is awarded
course_id: course key of the course where certificate is awarded'

def __init__(self, browser, user_id, course_id):

    super(CertificatePage, self).__init__(browser)
    self.user_id = user_id
    self.course_id = course_id
