Flaky Various Blazor Template timeouts/failures

[jkotalik]

It looks like almost any blazor template test can fail due to a shared fixture being used between them and it timing out.

Builds: https://dev.azure.com/dnceng/internal/_build/results?buildId=1033436&view=ms.vss-test-web.build-test-results-tab&runId=32069600&resultId=125477&paneView=dotnet-dnceng.dnceng-build-release-tasks.helix-test-information-tab

https://dev.azure.com/dnceng/public/_build/results?buildId=1035875&view=ms.vss-test-web.build-test-results-tab&runId=32132094&resultId=125303&paneView=debug

System.TimeoutException : Timeout 30000ms exceeded.
=========================== logs ===========================
<launching> C:\h\w\AC6D092A\w\A51C0945\e\ms-playwright\firefox-1225\firefox\firefox.exe -no-remote -headless -profile C:\h\w\AC6D092A\t\playwright_firefoxdev_profile-0AKzH5 -juggler-pipe -silent
<launched> pid=4752
[err] *** You are running in headless mode.
[out]
[out] Juggler listening to the pipe
[out] console.warn: SearchSettings: "get: No settings file exists, new profile?" (new Error("", "(unknown module)"))
[err] JavaScript error: resource://gre/modules/XULStore.jsm, line 66: Error: Can't find profile directory.
[err]
[err] ###!!! [Child][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost
[err]
Note: use DEBUG=pw:api environment variable and rerun to capture Playwright logs.

Thanks for contacting us.
We're moving this issue to the Next sprint planning milestone for future evaluation / consideration. We will evaluate the request when we are planning the work for the next milestone. To learn more about what to expect next and how this issue will be handled you can read more about our triage process here.

[HaoK]

Also will track related quarantined blazor template tests

• Flaky BlazorWasmHostedTemplate_IndividualAuth_Works_WithOutLocalDB test #30820
• Test Failure: BlazorWasmHostedTemplate_IndividualAuth_Works_WithLocalDB #30700
• Flaky BlazorServerTemplateWorks_IndividualAuth test #30807

[Tratcher]

BlazorWasmHostedPwaTemplate_Works Status:
30 days, 89 runs, 41% pass rate.
It looks like it was passing from 4/14-4/26 before hitting the current failure 100% of the time:

System.TimeoutException : Timeout 30000ms exceeded.
=========================== logs ===========================
waiting for selector "ul" to be visible
============================================================
Note: use DEBUG=pw:api environment variable to capture Playwright logs.