net/http: TestRetryRequestsOnError flake

[bradfitz]

From https://storage.googleapis.com/go-build-log/c7862f5a/linux-amd64-race_4ed6f3c3.log

--- FAIL: TestRetryRequestsOnError (0.02s)
    --- FAIL: TestRetryRequestsOnError/NothingWrittenGetBody (0.00s)
        transport_test.go:3116: i=1: Do = Post http://fake.golang: read tcp 127.0.0.1:52650->127.0.0.1:42017: use of closed network connection; log:
            Dial
            Write("POST / HTTP/1.1\r\nHost: fake.golang\r\nUser-Agent: Go-http-client/1.1\r\nContent-Length: 4\r\nAccept-Encoding: gzip\r\n\r\nfoo\n")
            Handler
            intentional write failure
2019/03/19 21:17:09 http: TLS handshake error from 127.0.0.1:38418: write tcp 127.0.0.1:43483->127.0.0.1:38418: use of closed network connection

[cuonglm]

@bradfitz is there a way to reliably reproduce this?

I tried:

for _ in {1..100}; do go-tip test -count=1 -race .;done

with no error.

[bradfitz]

I haven't tried.