* Playwright: wait for sync to arrive after joining rooms
Fix a couple of flaky tests which were not waiting for the /sync to complete
after joining a room.
* Playwright: add a comment about a broken helper
* playwright: fix more flakiness in the shields test
This bit can take a while as well.
* Update playwright/pages/client.ts
Co-authored-by: R Midhun Suresh <hi@midhun.dev>
* Add a timeout to `awaitRoomMembership`
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Co-authored-by: R Midhun Suresh <hi@midhun.dev>