await I.startRecordingWebSocketMessages();
      await I.amOnPage('https://websocketstest.com/');
      I.waitForText('Work for You!');
      const wsMessages = I.grabWebSocketMessages();
      expect(wsMessages.length).to.greaterThan(0);

      await I.startRecordingWebSocketMessages();
      I.amOnPage('https://websocketstest.com/');
      I.waitForText('Work for You!');
      I.flushNetworkTraffics();
      const wsMessages = I.grabWebSocketMessages();
      expect(wsMessages.length).to.equal(0);