storage: TestStorePoolGetStoreList manually manipulates stores
storage: TestStorePoolGetStoreList manually manipulates stores

Fixes #3082.

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