executor: fix DATA RACE in TestParseSlowLogFile (#14868)
executor: fix DATA RACE in TestParseSlowLogFile (#14868)


Cofyc/tidb,ngaut/tidb,kyle-wang/tidb,XuHuaiyu/tidb,ngaut/tidb,kyle-wang/tidb,kyle-wang/tidb,kyle-wang/tidb,pingcap/tidb,c4pt0r/tidb,c4pt0r/tidb,ngaut/tidb,c4pt0r/tidb,pingcap/tidb,c4pt0r/tidb,EvilMcJerkface/tidb,coocood/tidb,ngaut/tidb,pingcap/tidb,kyle-wang/tidb,c4pt0r/tidb,coocood/tidb,EvilMcJerkface/tidb,Cofyc/tidb,kyle-wang/tidb,c4pt0r/tidb,XuHuaiyu/tidb,ngaut/tidb,pingcap/tidb,ngaut/tidb,pingcap/tidb,pingcap/tidb