net/http: TestTLSServerRejectHTTPRequests failures

[gopherbot]

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

Issue created automatically to collect these failures.

Example (log):

--- FAIL: TestTLSServerRejectHTTPRequests (0.00s)
    --- FAIL: TestTLSServerRejectHTTPRequests/h2 (0.03s)
        testing.go:1446: race detected during execution of test

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

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

2023-07-06 19:41 linux-amd64-race go@312920c0 net/http.TestTLSServerRejectHTTPRequests (log)

--- FAIL: TestTLSServerRejectHTTPRequests (0.00s)
    --- FAIL: TestTLSServerRejectHTTPRequests/h2 (0.03s)
        testing.go:1446: race detected during execution of test

— watchflakes

[bcmills]

Duplicate of #61301