Run server on different port when running tests

test/integration/page.test.js

@@ -0,0 +1,18 @@
+const { Builder } = require('selenium-webdriver'),
+  chrome = require('selenium-webdriver/chrome.js'),
+  { expect, it } = require('@jest/globals'),
+  chromeOptions = new chrome.Options();
+
+let driver;
+
+chromeOptions.addArguments('--headless', '--disable-gpu', '--no-sandbox');
+
+beforeAll(async () => {
+  driver = new Builder().forBrowser('chrome').setChromeOptions(chromeOptions).build();
+});
+
+it('loads the page', async () => {
+  await driver.get("http://localhost:3005");
+
+  expect(await driver.getTitle()).toEqual('Infantry Combat Solo Basic');
+});