[nobug, tests] TestLogins takes 1.5 mins, reduce loops, now 6 seconds (#4230)
[nobug, tests] TestLogins takes 1.5 mins, reduce loops, now 6 seconds (#4230)

A for loop in a measure block is only needed for operations that are too fast to reliably measure with single operations.
In this case, we have a ~10s query inside a for loop, inside a measure block. The latter runs code 10x anyway.
SuPair/firefox-ios,garvankeeley/firefox-ios,garvankeeley/firefox-ios,st3fan/firefox-ios,SuPair/firefox-ios,Bunn/firefox-ios,mkaply/firefox-ios,Acidburn0zzz/firefox-ios,mozilla-mobile/firefox-ios,AaronMT/firefox-ios,justindarc/firefox-ios,HongliYu/firefox-ios,HongliYu/firefox-ios,Bunn/firefox-ios,justindarc/firefox-ios,flodolo/firefox-ios,mozilla-mobile/firefox-ios,justindarc/firefox-ios,flodolo/firefox-ios,SuPair/firefox-ios,mozilla-mobile/firefox-ios,st3fan/firefox-ios,SuPair/firefox-ios,garvankeeley/firefox-ios,garvankeeley/firefox-ios,Acidburn0zzz/firefox-ios,AaronMT/firefox-ios,justindarc/firefox-ios,st3fan/firefox-ios,st3fan/firefox-ios,StYaphet/firefox-ios,StYaphet/firefox-ios,Acidburn0zzz/firefox-ios,Bunn/firefox-ios,StYaphet/firefox-ios,Acidburn0zzz/firefox-ios,Acidburn0zzz/firefox-ios,SuPair/firefox-ios,StYaphet/firefox-ios,HongliYu/firefox-ios,garvankeeley/firefox-ios,mkaply/firefox-ios,StYaphet/firefox-ios,mkaply/firefox-ios,HongliYu/firefox-ios,StYaphet/firefox-ios,StYaphet/firefox-ios,AaronMT/firefox-ios,Bunn/firefox-ios,SuPair/firefox-ios,HongliYu/firefox-ios,mkaply/firefox-ios,justindarc/firefox-ios,garvankeeley/firefox-ios,AaronMT/firefox-ios,garvankeeley/firefox-ios,mozilla-mobile/firefox-ios,AaronMT/firefox-ios,flodolo/firefox-ios,st3fan/firefox-ios,mkaply/firefox-ios,AaronMT/firefox-ios,HongliYu/firefox-ios,mozilla-mobile/firefox-ios,justindarc/firefox-ios,st3fan/firefox-ios,Acidburn0zzz/firefox-ios,st3fan/firefox-ios,SuPair/firefox-ios,StYaphet/firefox-ios,Bunn/firefox-ios,Acidburn0zzz/firefox-ios,mkaply/firefox-ios,flodolo/firefox-ios,mkaply/firefox-ios,flodolo/firefox-ios,HongliYu/firefox-ios,Acidburn0zzz/firefox-ios,mozilla-mobile/firefox-ios,Bunn/firefox-ios,Bunn/firefox-ios,flodolo/firefox-ios,st3fan/firefox-ios,justindarc/firefox-ios,mozilla-mobile/firefox-ios,AaronMT/firefox-ios,flodolo/firefox-ios