net/http: TestOmitHTTP2Vet failures

[gopherbot]

#!watchflakes
default <- pkg == "net/http" && test == "TestOmitHTTP2Vet"

Issue created automatically to collect these failures.

Example (log):

--- FAIL: TestOmitHTTP2Vet (33.10s)
    http_test.go:105: go vet failed: exec: WaitDelay expired before I/O complete, 
2024/02/08 04:37:27 httptest.Server blocked in Close after 5 seconds, waiting for connections:
  *net.TCPConn 0xc0002820a8 127.0.0.1:50720 in state active

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "net/http" && test == "TestOmitHTTP2Vet"

2024-02-07 20:53 darwin-amd64-13 go@28b88516 net/http.TestOmitHTTP2Vet (log)

--- FAIL: TestOmitHTTP2Vet (33.10s)
    http_test.go:105: go vet failed: exec: WaitDelay expired before I/O complete, 
2024/02/08 04:37:27 httptest.Server blocked in Close after 5 seconds, waiting for connections:
  *net.TCPConn 0xc0002820a8 127.0.0.1:50720 in state active

— watchflakes

[bcmills]

(attn @neild)

This may be another symptom of #63937.

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "net/http" && test == "TestOmitHTTP2Vet"

2024-05-13 16:41 darwin-amd64-11_0 go@b5bfb5a3 net/http.TestOmitHTTP2Vet (log)

2024/05/13 13:05:51 httptest.Server blocked in Close after 5 seconds, waiting for connections:
  *net.TCPConn 0xc000528210 127.0.0.1:50924 in state active
--- FAIL: TestOmitHTTP2Vet (27.85s)
    http_test.go:105: go vet failed: exec: WaitDelay expired before I/O complete, 

— watchflakes