Test Failure: `Test Explorer Suite` - `run an X test multiple times` failed on `Windows`

[award999]

Failure logs

  1) Test Explorer Suite
       Standard
         swift-testing
           Runs multiple
             @slow runs an swift-testing test multiple times:
     Error: Timeout of 300000ms exceeded. For async tests and hooks, ensure "done()" is called; if returning a Promise, ensure it resolves. (d:\a\vscode-swift\vscode-swift\dist\test\integration-tests\testexplorer\TestExplorerIntegration.test.js)
      at listOnTimeout (node:internal/timers:581:17)
      at processTimers (node:internal/timers:519:7)

  2) Test Explorer Suite
       Standard
         XCTest
           Runs multiple
             @slow runs an XCTest multiple times:
     Error: Timeout of 300000ms exceeded. For async tests and hooks, ensure "done()" is called; if returning a Promise, ensure it resolves. (d:\a\vscode-swift\vscode-swift\dist\test\integration-tests\testexplorer\TestExplorerIntegration.test.js)
      at listOnTimeout (node:internal/timers:581:17)
      at processTimers (node:internal/timers:519:7)

Link to failed run: GitHub Actions Link

Additional context
Happens on all Windows jobs, and the Insiders jobs

Related test failures
N/A

[plemarquand]

Passing for the last 3 nightlies, will reopen if it crops back up.