macOS CI failure: /infrastructure/server/webtransport-h3

[spectranaut]

bot: test-jobs / infrastructure/ tests: macOS / 1 (of 1)

Fails on unrelated PR (#57696)

web-platform-test
~~~~~~~~~~~~~~~~~
Ran 437 checks (236 subtests, 201 tests)
Expected results: 431 (1 known intermittents)
Skipped: 2 tests
Unexpected results: 4
  subtest: 4 (4 pass)

Known Intermittent Results
--------------------------
/infrastructure/assumptions/canvas-background.html
  KNOWN-INTERMITTENT-PASS /infrastructure/assumptions/canvas-background.html

Error Summary
-------------
/infrastructure/server/webtransport-h3.https.sub.any.sharedworker.html
  UNEXPECTED-PASS WebTransport server should be running and should handle a bidirectional stream
/infrastructure/server/webtransport-h3.https.sub.any.worker.html
  UNEXPECTED-PASS WebTransport server should be running and should handle a bidirectional stream
/infrastructure/server/webtransport-h3.https.sub.any.html
  UNEXPECTED-PASS WebTransport server should be running and should handle a bidirectional stream
/infrastructure/server/webtransport-h3.https.sub.any.serviceworker.html
  UNEXPECTED-PASS WebTransport server should be running and should handle a bidirectional stream
 3:36.22 INFO Got 4 unexpected results, with 4 unexpected passes