flaky test TestDumpPlanReplayerAPI

[hawkingrei]

Bug Report

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1. Minimal reproduce step (Required)

2. What did you expect to see? (Required)

3. What did you see instead (Required)

     plan_replayer_test.go:165: 
        	Error Trace:	pkg/server/handler/optimizor/plan_replayer_test.go:165
        	            				pkg/server/handler/optimizor/plan_replayer_test.go:199
        	Error:      	Received unexpected error:
        	            	remove /tmp/plan_replayer.zip: no such file or directory
        	Test:       	TestDumpPlanReplayerAPI 

4. What is your TiDB version? (Required)

[qw4990]

Can't reproduce this issue, please contact me if it occurs again:

--- PASS: TestDumpPlanReplayerAPI (0.46s)
PASS
ok      github.com/pingcap/tidb/pkg/server/handler/optimizor    1.546s