/** TearDown App. */
 @AfterClass
 public static void tearDownApp() {
   if (null != app) {
     try {
       app.tearDown();
     } catch (Exception e) {
       fail(
           "Tearing down sample app should not run any exception. Exception type: "
               + e.getClass().getName()
               + ": "
               + e.getMessage());
     }
   }
 }
 /** Run App. */
 @BeforeClass
 public static void runApp() {
   port = WebAppTest.getRandomPort();
   app = new SampleNeo4jApp(port);
   try {
     app.run();
   } catch (Exception e) {
     fail(
         "Running sample app should not run any exception. Exception type: "
             + e.getClass().getName()
             + ": "
             + e.getMessage());
   }
 }