'Initialize pages and install a course fixture.'

def setUp(self):

    super(CourseWikiA11yTest, self).setUp()
    self.course_info['number'] = self.unique_id[0:6]
    self.course_info_page = CourseInfoPage(self.browser, self.course_id)
    self.course_wiki_page = CourseWikiPage(self.browser, self.course_id)
    self.course_info_page = CourseInfoPage(self.browser, self.course_id)
    self.course_wiki_edit_page = CourseWikiEditPage(self.browser, self.course_id, self.course_info)
    self.tab_nav = TabNavPage(self.browser)
    CourseFixture(self.course_info['org'], self.course_info['number'], self.course_info['run'], self.course_info['display_name']).install()
    AutoAuthPage(self.browser, course_id=self.course_id).visit()
    self.course_info_page.visit()
    self.tab_nav.go_to_tab('Wiki')
