Backport: fix flaky Test_grpcConnectionManager_Peers (#4276)#4382
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…g down (#4276) Test_grpcConnectionManager_Peers/inbound_stream_triggers_observer and the mirror outbound subtest set Authenticate expectations on both peer's authenticator mocks but only waited for one side's observer to fire before calling cm2.Stop(). When the observed side won the race, the other side's authenticator could still be in flight when t.Cleanup ran gomock's Finish(), reporting a missing call. Extend the wait condition to also require the unobserved side's Peers() list to be populated, which only happens after that side's Authenticate returns. Assisted-by: AI
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Summary
Backports #4276 (already on master since d6ab80f) to V5.4.
Test_grpcConnectionManager_Peers/inbound_stream_triggers_observer(and the mirror outbound subtest) setsAuthenticateexpectations on both peers' mocks, but only waited for one side's observer before tearing down. When the unobserved side's authentication was still in flight,t.Cleanupran gomock'sFinish()before that call landed, reporting a missing call.V5.4 never received this fix, so PRs targeting this branch still hit the flake — see #4380.
Test plan
go test -race -count=20 -run Test_grpcConnectionManager_Peers ./network/transport/grpc/passes locallyRelated to #4380