code: public static void closeJadler() {
          final StubHttpServerManager serverManager = jadlerMockerContainer.get();
          if (serverManager != null && serverManager.isStarted()) {
              serverManager.close();
          }
          
          jadlerMockerContainer.set(null);
      }
docs: <p>Stops the underlying {@link StubHttpServer} and closes Jadler.</p>
  
  <p>This should be preferably called in the {@code tearDown} method of a test suite.</p>