'Clicks the create rerun link of the course specified by course_key
\'Re-run course\' link doesn\'t show up until you mouse over that course in the course listing'

def create_rerun(self, course_key):

    actions = ActionChains(self.browser)
    button_name = self.browser.find_element_by_css_selector((('.rerun-button[href$="' + course_key) + '"]'))
    actions.move_to_element(button_name)
    actions.click(button_name)
    actions.perform()
