code: @Conditioned
      @Lorsque("Je vérifie l'absence d'alerte dans '(.*)'[\\.|\\?]")
      @Then("I check absence of alert in '(.*)'[\\.|\\?]")
      public void checkAlert(String page, List<GherkinStepCondition> conditions) throws FailureException, TechnicalException {
          checkAlert(Page.getInstance(page));
      }
docs: Checks that a given page displays a html alert.
  This check do not work with IE: https://github.com/SeleniumHQ/selenium/issues/468
  
  @param page
  The concerned page
  @param conditions
  list of 'expected' values condition and 'actual' values ({@link com.github.noraui.gherkin.GherkinStepCondition}).
  @throws FailureException
  if the scenario encounters a functional error
  @throws TechnicalException
  is throws if you have a technical error (format, configuration, datas, ...) in NoraUi.
  Exception with message and with screenshot and with exception if functional error but no screenshot and no exception if technical error.