Skip flaky GetTruncatableIndexes test (#3702)
Skip flaky GetTruncatableIndexes test (#3702)

nieyy/cockroach,paperstreet/cockroach,arjun4084346/cockroach,il9ue/cockroach,petermattis/cockroach,arjun4084346/cockroach,sunya123/cockroach,vaibhavarora/cockroach,cuongdo/cockroach,cuongdo/cockroach,maxlang/cockroach,maxlang/cockroach,paperstreet/cockroach,marcuswestin/cockroach,arjun4084346/cockroach,vivekmenezes/cockroach,marcuswestin/cockroach,nieyy/cockroach,vivekmenezes/cockroach,cockroachdb/cockroach,il9ue/cockroach,maxlang/cockroach,paperstreet/cockroach,vaibhavarora/cockroach,bg451/cockroach,bg451/cockroach,arjun4084346/cockroach,bg451/cockroach,sunya123/cockroach,petermattis/cockroach,glycerine/cockroach,cockroachdb/cockroach,il9ue/cockroach,veteranlu/cockroach,cuongdo/cockroach,cockroachdb/cockroach,maxlang/cockroach,veteranlu/cockroach,il9ue/cockroach,sunya123/cockroach,vaibhavarora/cockroach,sunya123/cockroach,paperstreet/cockroach,glycerine/cockroach,cockroachdb/cockroach,vivekmenezes/cockroach,vivekmenezes/cockroach,veteranlu/cockroach,cockroachdb/cockroach,nieyy/cockroach,cockroachdb/cockroach,veteranlu/cockroach,cuongdo/cockroach,petermattis/cockroach,arjun4084346/cockroach,paperstreet/cockroach,petermattis/cockroach,vaibhavarora/cockroach,vaibhavarora/cockroach,sunya123/cockroach,vivekmenezes/cockroach,sunya123/cockroach,bg451/cockroach,vaibhavarora/cockroach,petermattis/cockroach,il9ue/cockroach,arjun4084346/cockroach,cuongdo/cockroach,petermattis/cockroach,glycerine/cockroach,bg451/cockroach,marcuswestin/cockroach,nieyy/cockroach,arjun4084346/cockroach,maxlang/cockroach,petermattis/cockroach,maxlang/cockroach,vivekmenezes/cockroach,il9ue/cockroach,maxlang/cockroach,veteranlu/cockroach,vaibhavarora/cockroach,cockroachdb/cockroach,cockroachdb/cockroach,marcuswestin/cockroach,glycerine/cockroach,veteranlu/cockroach,petermattis/cockroach,maxlang/cockroach,nieyy/cockroach,il9ue/cockroach,cuongdo/cockroach,marcuswestin/cockroach,cuongdo/cockroach,nieyy/cockroach,marcuswestin/cockroach,nieyy/cockroach,paperstreet/cockroach,marcuswestin/cockroach,paperstreet/cockroach,glycerine/cockroach,glycerine/cockroach,sunya123/cockroach,bg451/cockroach,veteranlu/cockroach,vivekmenezes/cockroach,bg451/cockroach,paperstreet/cockroach,nieyy/cockroach,veteranlu/cockroach,sunya123/cockroach,glycerine/cockroach,marcuswestin/cockroach,arjun4084346/cockroach,vaibhavarora/cockroach,glycerine/cockroach,vivekmenezes/cockroach,cuongdo/cockroach,il9ue/cockroach