testcafe: Testcafe browser window launches to 'about:blank' with console errors

What is your Test Scenario?

Every test is unable to start as expected in Chrome or Firefox (functional when running tests via docker).

What is the Current behavior?

Browser launches to a Testcafe page w/ ‘about:blank’ and various JS errors in console, doesn’t move from this page.

What is the Expected behavior?

Getting past initial page load and continuing to run the tests.

Workaround

Found by @kyle-johnson. Use localhost or 127.0.0.1 as a hostname:

testcafe --hostname localhost

createTestCafe('localhost')

createTestCafe({ hostname: 'localhost' })

References

https://github.com/nodejs/node/issues/38709

What is your web application and your TestCafe test code?

import { t } from 'testcafe'

fixture('About Blank')

test('Go to URL', async () => {
  await t.navigateTo('https://www.github.com')
})

Steps to Reproduce:

1. Run any TestCafe test
2. See page load to http://192.168.1.167:53023/do7j2zBCU*c1hyXyWs7/about:blank
3. Inspect console for following logs

Chrome:

Failed to load resource: net::ERR_INVALID_HTTP_RESPONSE // :60901/ testcafe-automation.js:1
Failed to load resource: net::ERR_INVALID_HTTP_RESPONSE // testcafe-driver.js:1
Uncaught TypeError: ClientDriver is not a constructor   // task.js:48
    at task.js:48
    at task.js:69
    at task.js:71

Firefox:

Uncaught SyntaxError: expected expression, got '}'     // testcafe-automation.js:1:37
Uncaught SyntaxError: expected expression, got ')'     // testcafe-driver.js:1
Uncaught TypeError: ClientDriver is not a constructor  // task.js:48:24
    <anonymous> http://192.168.1.167:53023/task.js:48
    <anonymous> http://192.168.1.167:53023/task.js:69
    <anonymous> http://192.168.1.167:53023/task.js:71

Your Environment details:

• testcafe version: 1.14.2
• node.js version: v14.17.0
• command-line arguments: testcafe chrome test.js OR testcafe firefox test.js
• browser name and version: Chrome - 90.0.4430.212, Firefox - 88.0
• platform and version: macOS 11.3.1
• other: If left idle for two minutes the window will close and re-open to the same ‘about:blank’ URL. Testcafe logging states it is running in {Browser} / macOS 10.15, but I am on macOS 11.3.1