@Test
 @OperateOnDeployment("customURIMapping")
 public void customServletMapping() throws MalformedURLException {
   assertThat(RootWithCustomMappingUI.getNumberOfInstances(), is(0));
   openWindow("customURI/rootWithCustomMappingUI");
   waitModel.waitForChange(retrieveText.locator(LABEL));
   assertThat(RootWithCustomMappingUI.getNumberOfInstances(), is(1));
 }