Enable tests in codegen_trace.cc (#2173)
Enable tests in codegen_trace.cc (#2173)

These were accidentaly disabled in 54225e4.
Theodus/ponyc,CausalityLtd/ponyc,Praetonus/ponyc,CausalityLtd/ponyc,ponylang/ponyc,cquinn/ponyc,Theodus/ponyc,Theodus/ponyc,Perelandric/ponyc,Perelandric/ponyc,dipinhora/ponyc,kulibali/ponyc,ponylang/ponyc,Perelandric/ponyc,boemmels/ponyc,sgebbie/ponyc,jemc/ponyc,sgebbie/ponyc,CausalityLtd/ponyc,jemc/ponyc,Perelandric/ponyc,Praetonus/ponyc,cquinn/ponyc,Theodus/ponyc,ponylang/ponyc,Praetonus/ponyc,cquinn/ponyc,sgebbie/ponyc,kulibali/ponyc,dipinhora/ponyc,Praetonus/ponyc,sgebbie/ponyc,kulibali/ponyc,boemmels/ponyc,Perelandric/ponyc,jemc/ponyc,dipinhora/ponyc,boemmels/ponyc,sgebbie/ponyc,cquinn/ponyc,Theodus/ponyc,kulibali/ponyc,boemmels/ponyc,boemmels/ponyc