Fix broken ponytest "only" filter (#1780)
Fix broken ponytest "only" filter (#1780)

Wasn't recognized because string size was wrong.
jemc/ponyc,dipinhora/ponyc,mkfifo/ponyc,ponylang/ponyc,sgebbie/ponyc,kulibali/ponyc,Theodus/ponyc,kulibali/ponyc,kulibali/ponyc,boemmels/ponyc,sgebbie/ponyc,cquinn/ponyc,mkfifo/ponyc,dipinhora/ponyc,boemmels/ponyc,Theodus/ponyc,CausalityLtd/ponyc,cquinn/ponyc,Perelandric/ponyc,mkfifo/ponyc,Perelandric/ponyc,cquinn/ponyc,kulibali/ponyc,jemc/ponyc,Perelandric/ponyc,Theodus/ponyc,Praetonus/ponyc,jemc/ponyc,sgebbie/ponyc,mkfifo/ponyc,Perelandric/ponyc,Praetonus/ponyc,CausalityLtd/ponyc,Theodus/ponyc,Perelandric/ponyc,boemmels/ponyc,cquinn/ponyc,Praetonus/ponyc,boemmels/ponyc,ponylang/ponyc,ponylang/ponyc,sgebbie/ponyc,Praetonus/ponyc,Theodus/ponyc,sgebbie/ponyc,CausalityLtd/ponyc,mkfifo/ponyc,dipinhora/ponyc,boemmels/ponyc