code:     private FreeStyleProject createDownstreamProject() throws Exception {
          FreeStyleProject dp = createFreeStyleProject("downstream");
  
          // Hm, no setQuietPeriod, have to submit form..
          WebClient webClient = new WebClient();
          HtmlPage page = webClient.getPage(dp,"configure");
          HtmlForm form = page.getFormByName("config");
          form.getInputByName("hasCustomQuietPeriod").click();
          form.getInputByName("quiet_period").setValueAttribute("0");
          submit(form);
          assertEquals("set quiet period", 0, dp.getQuietPeriod());
  
          return dp;
      }
  
  