net/http: TestTimeoutHandlerEmptyResponse/h2 failures

[gopherbot]

#!watchflakes
default <- pkg == "net/http" && test == "TestTimeoutHandlerEmptyResponse/h2"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestTimeoutHandlerEmptyResponse/h2
=== PAUSE TestTimeoutHandlerEmptyResponse/h2
=== CONT  TestTimeoutHandlerEmptyResponse/h2
    serve_test.go:2730: got res.StatusCode 503, want 200
--- FAIL: TestTimeoutHandlerEmptyResponse/h2 (1.62s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "net/http" && test == "TestTimeoutHandlerEmptyResponse/h2"

2024-07-17 15:08 go1.23-netbsd-arm64 release-branch.go1.23@fc51e502 net/http.TestTimeoutHandlerEmptyResponse/h2 (log)

=== RUN   TestTimeoutHandlerEmptyResponse/h2
=== PAUSE TestTimeoutHandlerEmptyResponse/h2
=== CONT  TestTimeoutHandlerEmptyResponse/h2
    serve_test.go:2730: got res.StatusCode 503, want 200
--- FAIL: TestTimeoutHandlerEmptyResponse/h2 (1.62s)

— watchflakes