flaky test TestAnalyzeClusteredIndexPrimary

[hawkingrei]

Bug Report

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3. What did you see instead (Required)

         	Error Trace:	pkg/testkit/result.go:49
        	            				pkg/executor/test/analyzetest/analyze_test.go:601
        	Error:      	Not equal: 
        	            	expected: "[test t0  PRIMARY 1 0 1 1 1111 1111 0]\n[test t1  PRIMARY 1 0 1 1 1111 1111 0]\n"
        	            	actual  : "[test t1  PRIMARY 1 0 1 1 1111 1111 0]\n[test t0  PRIMARY 1 0 1 1 1111 1111 0]\n"
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1,3 +1,3 @@
        	            	+[test t1  PRIMARY 1 0 1 1 1111 1111 0]
        	            	 [test t0  PRIMARY 1 0 1 1 1111 1111 0]
        	            	-[test t1  PRIMARY 1 0 1 1 1111 1111 0]
        	            	 
        	Test:       	TestAnalyzeClusteredIndexPrimary
        	Messages:   	sql:show stats_buckets, args:[] 

https://tiprow.hawkingrei.com/view/gs/pingcapprow/pr-logs/pull/pingcap_tidb/51648/fast_test_tiprow/1767043025764093952#1:build-log.txt%3A2490

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