2015657 - WebDriver Bidi does not emulate timezone in workers

Status: NEW

(Remote Protocol :: WebDriver BiDi, defect, P3)

Description

[Andrey Lushnikov]

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36

Steps to reproduce:

• Downstream Playwright bug: https://github.com/microsoft/playwright/issues/38919
• Downstream playwright test: https://github.com/microsoft/playwright/blob/d91dce9170eeec4de22ed4731dce25b26b58c29f/tests/library/browsercontext-timezone-id.spec.ts#L119

Reproduction:

1. clone playwright repo: git clone https://github.com/microsoft/playwright
2. remove the line #120 in tests/library/browsercontext-timezone-id.spec.ts - the it.fail expectation.
3. Run the test with Firefox Bidi: npm run biditest browsercontext-timezone-id:119 -- --project moz-firefox-nightly-library

Actual results:

The test fails because WebDriver bidi does not emulate timezone in workers.

Expected results:

WebDriver should emulate timezone in workers. The test should pass.

Comment 1

[Alexandra Borovova [:Sasha]]

For timezone emulation to be picked up by the workers, we have to implement the logic of updating the timezone in the realm of the existing and new workers.