test: try to stablize scan test (#19242)
test: try to stablize scan test (#19242)


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