Adjust target interval in TestScannerTiming.
Adjust target interval in TestScannerTiming.

This test often fails for me when run locally in race mode. The higher
target interval appears to be better able to smooth over the race
overhead.

nieyy/cockroach,mbertschler/cockroach,sunya123/cockroach,arjun4084346/cockroach,glycerine/cockroach,petermattis/cockroach,marcuswestin/cockroach,vaibhavarora/cockroach,arjun4084346/cockroach,paperstreet/cockroach,nieyy/cockroach,cockroachdb/cockroach,bg451/cockroach,il9ue/cockroach,nieyy/cockroach,mbertschler/cockroach,marcuswestin/cockroach,cockroachdb/cockroach,glycerine/cockroach,petermattis/cockroach,sunya123/cockroach,sunya123/cockroach,veteranlu/cockroach,vivekmenezes/cockroach,vaibhavarora/cockroach,veteranlu/cockroach,veteranlu/cockroach,jmank88/cockroach,cockroachdb/cockroach,jmank88/cockroach,nieyy/cockroach,sunya123/cockroach,vivekmenezes/cockroach,vivekmenezes/cockroach,glycerine/cockroach,veteranlu/cockroach,cuongdo/cockroach,il9ue/cockroach,marcuswestin/cockroach,jamesgraves/cockroach,maxlang/cockroach,petermattis/cockroach,il9ue/cockroach,vivekmenezes/cockroach,glycerine/cockroach,il9ue/cockroach,paperstreet/cockroach,petermattis/cockroach,petermattis/cockroach,il9ue/cockroach,sunya123/cockroach,cuongdo/cockroach,veteranlu/cockroach,veteranlu/cockroach,marcuswestin/cockroach,vaibhavarora/cockroach,nieyy/cockroach,jamesgraves/cockroach,cuongdo/cockroach,marcuswestin/cockroach,bg451/cockroach,bg451/cockroach,jmank88/cockroach,cockroachdb/cockroach,jmank88/cockroach,petermattis/cockroach,cuongdo/cockroach,vivekmenezes/cockroach,vivekmenezes/cockroach,sunya123/cockroach,marcuswestin/cockroach,arjun4084346/cockroach,maxlang/cockroach,arjun4084346/cockroach,cockroachdb/cockroach,jamesgraves/cockroach,jamesgraves/cockroach,mbertschler/cockroach,sunya123/cockroach,vaibhavarora/cockroach,jamesgraves/cockroach,maxlang/cockroach,paperstreet/cockroach,cockroachdb/cockroach,marcuswestin/cockroach,cuongdo/cockroach,mbertschler/cockroach,cuongdo/cockroach,maxlang/cockroach,jamesgraves/cockroach,cockroachdb/cockroach,vivekmenezes/cockroach,il9ue/cockroach,nieyy/cockroach,cuongdo/cockroach,vaibhavarora/cockroach,marcuswestin/cockroach,veteranlu/cockroach,vivekmenezes/cockroach,arjun4084346/cockroach,paperstreet/cockroach,mbertschler/cockroach,glycerine/cockroach,paperstreet/cockroach,jmank88/cockroach,maxlang/cockroach,paperstreet/cockroach,petermattis/cockroach,bg451/cockroach,bg451/cockroach,glycerine/cockroach,paperstreet/cockroach,veteranlu/cockroach,vaibhavarora/cockroach,glycerine/cockroach,maxlang/cockroach,arjun4084346/cockroach,nieyy/cockroach,mbertschler/cockroach,il9ue/cockroach,petermattis/cockroach,paperstreet/cockroach,jamesgraves/cockroach,glycerine/cockroach,sunya123/cockroach,bg451/cockroach,cockroachdb/cockroach,vaibhavarora/cockroach,jmank88/cockroach,cuongdo/cockroach,il9ue/cockroach,jmank88/cockroach,nieyy/cockroach,arjun4084346/cockroach,vaibhavarora/cockroach,maxlang/cockroach,bg451/cockroach,arjun4084346/cockroach,mbertschler/cockroach,maxlang/cockroach