unstable test `TestTiDBClusterInfo`

[Defined2014]

Bug Report

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    result.go:49: 
        	Error Trace:	/home/prow/go/src/github.com/pingcap/tidb/pkg/testkit/result.go:49
        	            				/home/prow/go/src/github.com/pingcap/tidb/pkg/executor/infoschema_cluster_table_test.go:228
        	Error:      	Not equal: 
        	            	expected: "[pd 127.0.0.1:38621 2023-12-25 12:22:06]\n[tikv store1 2023-12-25 12:22:06]\n"
        	            	actual  : "[pd 127.0.0.1:38621 2023-12-25 12:22:06]\n[tikv store1 2023-12-25 12:22:07]\n"
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1,3 +1,3 @@
        	            	 [pd 127.0.0.1:38621 2023-12-25 12:22:06]
        	            	-[tikv store1 2023-12-25 12:22:06]
        	            	+[tikv store1 2023-12-25 12:22:07]
        	            	 
        	Test:       	TestTiDBClusterInfo
        	Messages:   	sql:select type, instance, start_time from information_schema.cluster_info where type != 'tidb', args:[]
FAIL

https://prow.tidb.net/view/gs/prow-tidb-logs/logs/periodic-daily-tidb-unit-test/1739254785518866432