improve asserts oftest cases in `helper_test.go` and fix ci (#11553)
improve asserts oftest cases in `helper_test.go` and fix ci (#11553)


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