before(:each) do
    course_setup
    @previous_day = (Time.now.getlocal - 1 * 86_400).strftime('%Y-%m-%d %H:%M:%S')
    @next_day = (Time.now.getlocal + 1 * 86_400).strftime('%Y-%m-%d %H:%M:%S')
    @next_to_next_day = (Time.now.getlocal + 2 * 86_400).strftime('%Y-%m-%d %H:%M:%S')