VSTest are failing in CI

Describe the issue

The test shave been disabled until the root cause is addressed.

Analysis by Copilot:

The hook ( nextControllerSuite.ts ) hung at this step:

[23:59:01] Opening VSTest solution...
[23:59:06] Waiting for VSTest test projects to be discovered... ✅
[23:59:12] Waiting for all 5 VSTest projects to appear in controller tree... ⛔ never completes
[00:01:01] ❌ Timeout (120s from hook start)

The Windows agent was slow to populate all 5 VSTest projects into the test‑controller tree. The problem is structural:

• sharedSetup sets the Mocha suite/hook budget to TEST_TIMEOUT(120s) × timeoutMultiplier . The multiplier is 2 on macOS, 1 elsewhere ( suiteUtilities.ts:14-29 ) — so macOS gets 240s, Windows/Linux only 120s.
• But the before all hook does many sequential waits, each with its own 60–120s withTimeout / waitForCondition guard (wait controller 60s, wait projects 120s, wait 5 projects 120s, build, expand, wait discovery 120s). Those inner guards are larger than the whole 120s hook budget, so they're meaningless — the hook dies first.
• Linux is fast enough to squeeze in under 120s; Windows is on the edge and tipped over. No product error appears in the log — it's pure slowness/flakiness.

This file was last changed 2026‑05‑12 (the "wait for all projects" block, by Peter Waldschmidt). PR 747156 only touches hot‑reload log formatting and hot‑reload test helpers — it does not touch the test‑explorer suite. The log() / waitForCondition used here are self‑contained and already used console.log before your PR.

Suggested fix

Short term: just re‑run the Windows leg — it's a flaky, unrelated timeout, and your PR is otherwise green.

Durable fix: give the test‑explorer discovery suite a realistic timeout instead of 120s, mirroring what the aspire / hotreload suites already do ( this.timeout(5 * 60_000 * timeoutMultiplier) ). Concretely, in registerNextTestExplorerSuite ( nextControllerSuite.ts:17-18 ):

suite(suiteTitle, function () {
sharedSetup(this)
this.timeout(5 * 60_000 * timeoutMultiplier) // hook does many sequential 60-120s waits; 120s total is too tight on Windows

Collect logs

https://devdiv.visualstudio.com/DevDiv/DevDiv%20Team/_build/results?buildId=14460885&view=logs&j=35719c88-37e2-5b6b-0cc4-0d94b6fd7e0d&t=032d9ea0-5ceb-5e90-5e69-0ae341c9c649&l=3038

Steps to reproduce

No response

Expected behavior

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Environment information

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