executor: speed up `TestMemoryAndDiskUsageAfterClose` (#14311)
executor: speed up `TestMemoryAndDiskUsageAfterClose` (#14311)


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