x/net/http2: TestUnreadFlowControlReturned_Server failures with stream error "NO_ERROR" since 2021-10-05

[bcmills]

--- FAIL: TestUnreadFlowControlReturned_Server (0.12s)
    --- FAIL: TestUnreadFlowControlReturned_Server/read-1-byte-and-close (0.01s)
        server_test.go:3891: read-1-byte-and-close stream error: stream ID 1; NO_ERROR; received from peer
FAIL
FAIL	golang.org/x/net/http2	26.435s

greplogs --dashboard -md -l -e '(?ms)FAIL: TestUnreadFlowControlReturned.*stream error: stream ID \d+; NO_ERROR'

2021-11-16T21:27:03-e8b54de-f659183/dragonfly-amd64
2021-11-16T21:27:03-e8b54de-3729a67/freebsd-386-11_4
2021-11-07T04:57:22-b53810d-9e6ad46/freebsd-386-12_2
2021-11-07T04:56:11-b53810d-85493d5/windows-386-2008
2021-11-05T17:23:06-ce13745-37951d8/dragonfly-amd64
2021-11-03T18:37:22-4a448f8-cfd016d/dragonfly-amd64
2021-10-26T15:20:53-d418f37-1b2362b/dragonfly-amd64
2021-10-18T15:54:41-4f30a5c-c091767/freebsd-386-12_2
2021-10-14T17:25:44-2b766c0-2ac3bdf/freebsd-amd64-11_4
2021-10-11T15:28:50-3b03d30-702e337/linux-386-clang
2021-10-06T20:21:49-62292e8-f580b75/freebsd-386-12_2
2021-10-05T00:13:12-d4b1ae0-e5f6d8d/dragonfly-amd64

CC @neild

[bcmills]

(The failing test appears to be the regression test for #16481.)

[gopherbot]

Change https://golang.org/cl/364834 mentions this issue: http2: avoid spurious RoundTrip error when server closes and resets stream

[neild]

@gopherbot Please open backport issues for 1.16 and 1.17. This creates test flakiness.

[gopherbot]

Backport issue(s) opened: #49661 (for 1.16), #49662 (for 1.17).

Remember to create the cherry-pick CL(s) as soon as the patch is submitted to master, according to https://golang.org/wiki/MinorReleases.

[gopherbot]

Change https://golang.org/cl/368379 mentions this issue: [internal-branch.go1.17-vendor] http2: avoid spurious RoundTrip error when server closes and resets stream

[gopherbot]

Change https://golang.org/cl/368378 mentions this issue: [internal-branch.go1.16-vendor] http2: avoid spurious RoundTrip error when server closes and resets stream