hooks.js

let DELAY = 10000;
 let tc: any;

 let runTest = async () => {
   tc = await createTestCafe('localhost', 1337, 1338);
   let runner = tc.createRunner();

  return runner
    .src('./testcafe-config.js')
    .browsers('chrome')
    .screenshots('./screenshots', true)
    .run()
    .completionPromise;
};

defineSupportCode(({ registerHandler, setDefaultTimeout }) => {
  setDefaultTimeout(DELAY);

  registerHandler('BeforeFeatures', (features, callback) => {
    runTest().then(callback).catch(console.error);
  });

  registerHandler('AfterFeatures', (features, callback) => {
    testControllerHolder.free().then(() => {
      callback();
      tc.close();
    });
  });
});