Add tests for walk
Add tests for walk

mkfifo/ponyc,jemc/ponyc,Praetonus/ponyc,boemmels/ponyc,jupvfranco/ponyc,ponylang/ponyc,Perelandric/ponyc,jemc/ponyc,doublec/ponyc,jupvfranco/ponyc,ryanai3/ponyc,mkfifo/ponyc,doublec/ponyc,Perelandric/ponyc,sgebbie/ponyc,sgebbie/ponyc,doublec/ponyc,Perelandric/ponyc,dipinhora/ponyc,Theodus/ponyc,mkfifo/ponyc,Praetonus/ponyc,malthe/ponyc,sgebbie/ponyc,dipinhora/ponyc,kulibali/ponyc,boemmels/ponyc,Theodus/ponyc,cquinn/ponyc,sgebbie/ponyc,Theodus/ponyc,mkfifo/ponyc,Perelandric/ponyc,Perelandric/ponyc,cquinn/ponyc,malthe/ponyc,Praetonus/ponyc,CausalityLtd/ponyc,malthe/ponyc,boemmels/ponyc,boemmels/ponyc,Theodus/ponyc,jemc/ponyc,malthe/ponyc,kulibali/ponyc,mkfifo/ponyc,CausalityLtd/ponyc,sgebbie/ponyc,lukecheeseman/ponyta,jupvfranco/ponyc,CausalityLtd/ponyc,dipinhora/ponyc,jupvfranco/ponyc,ponylang/ponyc,lukecheeseman/ponyta,jupvfranco/ponyc,ryanai3/ponyc,lukecheeseman/ponyta,Theodus/ponyc,Praetonus/ponyc,kulibali/ponyc,boemmels/ponyc,ponylang/ponyc,ryanai3/ponyc,cquinn/ponyc,kulibali/ponyc,cquinn/ponyc