text: from selenium import webdriver
  from fixture.session import SessionHelper
  from fixture.group import GroupHelper
  from fixture.contact import ContactHelper
  
  
  class Application:
      def __init__(self):
          self.wd = webdriver.Chrome()
          self.session = SessionHelper(self)
          self.group = GroupHelper(self)
          self.contact = ContactHelper(self)
  
      def is_valid(self):
          try:
              self.wd.current_url
              return True
          except:
              return False
  
      def open_home_page(self):
          wd = self.wd
          # open home page,
          wd.get("http://localhost/addressbook/")
  
      def destroy(self):
          self.wd.quit()
  