Unstable unit test TestServerWrapperDelayed FAIL: OnNewMessage(*p2p.MessagePacket)

[amyangfei]

Which jobs are flaking?

cdc_ghpr_test

Which test(s) are flaking?

unit test TestServerWrapperDelayed in server_wrapper_test.go:185

Jenkins logs or GitHub Actions link

[2021-11-02T03:43:57.099Z] [2021/11/02 11:42:24.498 +08:00] [INFO] [server_wrapper_test.go:49] ["error received"] [error="rpc error: code = Canceled desc = context canceled"]
[2021-11-02T03:43:57.099Z] [2021/11/02 11:42:24.524 +08:00] [INFO] [server_wrapper_test.go:49] ["error received"] [error="rpc error: code = Canceled desc = context canceled"]
[2021-11-02T03:43:57.099Z] --- FAIL: TestServerWrapperDelayed (0.13s)
[2021-11-02T03:43:57.099Z]     server_wrapper_test.go:185: FAIL:	OnNewMessage(*p2p.MessagePacket)
[2021-11-02T03:43:57.099Z]         		at: [server_wrapper_test.go:165]
[2021-11-02T03:43:57.099Z]     server_wrapper_test.go:185: FAIL: 0 out of 1 expectation(s) were met.
[2021-11-02T03:43:57.099Z]         	The code you are testing needs to make 1 more call(s).
[2021-11-02T03:43:57.099Z]         	at: [server_wrapper_test.go:185]
[2021-11-02T03:43:57.099Z] FAIL
[2021-11-02T03:43:57.099Z] coverage: 100.0% of statements
[2021-11-02T03:43:57.099Z] FAIL	github.com/pingcap/ticdc/pkg/p2p	0.323s

https://ci2.pingcap.net/blue/organizations/jenkins/cdc_ghpr_test/detail/cdc_ghpr_test/10426/pipeline

Anything else we need to know

master@b501e9c

[liuzix]

Closed by #3250