Flaky Test: extras/features/gracefulstop

[arjan-bal]

Failure logs

testing: features/gracefulstop 
 successfully built server 
 waiting for server to start 
 server started 
 successfully built client 
 client successfully communicated with server 
 server log missing output: Server stopped gracefully.
            got server log:
            2025/01/28 07:31:32 Initiating graceful shutdown...
            got client log:
            2025/01/28 07:31:31 Hello
2025/01/28 07:31:31 Hello
2025/01/28 07:31:32 Hello
2025/01/28 07:31:32 Hello
2025/01/28 07:31:32 Hello
2025/01/28 07:31:32 Error calling `UnaryEcho`. Server graceful stop initiated: rpc error: code = Unavailable desc = connection error: desc = "transport: Error while dialing: dial tcp 127.0.0.1:50051: connect: connection refused"
2025/01/28 07:31:32 Successful unary requests made by client: 5
2025/01/28 07:31:32 Successful unary requests processed by server and made by client are same.

Sample failure: https://github.com/grpc/grpc-go/actions/runs/13005606515/job/36271831754?pr=8045

[arjan-bal]

https://github.com/grpc/grpc-go/actions/runs/13008392718/job/36280330922?pr=8047

[arjan-bal]

https://github.com/grpc/grpc-go/actions/runs/13008392718/job/36280330922?pr=8047#step:9:219

[arjan-bal]

https://github.com/grpc/grpc-go/actions/runs/13260367403/job/37015377769?pr=8047

[arjan-bal]

https://github.com/grpc/grpc-go/actions/runs/13558905176/job/37898376495?pr=8126

[arjan-bal]

https://github.com/grpc/grpc-go/actions/runs/14121554724/job/39562620718?pr=8204

[purnesh42H]

http://github.com/grpc/grpc-go/actions/runs/14268478679/job/39998138899?pr=8183

[arjan-bal]

https://github.com/grpc/grpc-go/actions/runs/14497765315/job/40669750607?pr=8259

[eshitachandwani]

https://github.com/grpc/grpc-go/actions/runs/15213212977/job/42792266842?pr=8329

[eshitachandwani]

https://github.com/grpc/grpc-go/actions/runs/15215699563/job/42800600307?pr=8355

[eshitachandwani]

https://github.com/grpc/grpc-go/actions/runs/15459511745/job/43517809387?pr=8382