Firefox: browserClient.closeBrowserChildWindow is not a function

What is your Scenario?

I have multiple windows running and test with Firefox browser.

What is the Current behavior?

Testcafe throws

 Unhandled promise rejection:
      TypeError: browserClient.closeBrowserChildWindow is not a function

What is the Expected behavior?

The error shouldn’t be thrown. This used to work on v1.18, and if switch to chrome the test is passed.

What is your public website URL? (or attach your complete example)

https://testcafe.io/

What is your TestCafe test code?

fixture `Microsoft DevBlogs Login page`
    .page('https://devblogs.microsoft.com/');

test('should pass', async (t) => {
await t
    .click('.login-but') 
    .click('.nsl-button-google') 
    .closeWindow();
});

Your complete configuration file

No response

Your complete test report

   1) Unhandled promise rejection:
      
      TypeError: browserClient.closeBrowserChildWindow is not a function

      Browser: Firefox 104.0 / macOS 10.15

Screenshots

No response

Steps to Reproduce

1. Try the testcode
2. Run tests with firefox browser.

TestCafe version

2.0.0

Node.js version

v16.15.1

Command-line arguments

testcafe firefox test.js

Browser name(s) and version(s)

No response

Platform(s) and version(s)

No response

Other

No response

[miherlosev]

Hi @florachen-okta

Thank you for the shared information. I’ve reproduced the issue.

[amiablea2]

• Fails for Chrome 102 as well:
• testcafe: “2.1.0”,

Unhandled promise rejection:
    TypeError: browserClient.closeBrowserChildWindow is not a function
   at BrowserProviderPluginHost.closeBrowserChildWindow (.../node_modules/testcafe/src/browser/provider/built-in/dedicated/base.js:108:30)