Added unit test showing exceptions being thrown in macro evaluation.
Added unit test showing exceptions being thrown in macro evaluation.

gcbeyond/nu,hodgeswt/nu,jqk6/nu,jqk6/nu,nulang/nu,heiko-henrich/nutor,hodgeswt/nu,spotify/nu,spotify/nu,hodgeswt/nu,hodgeswt/nu,heiko-henrich/nutor,heiko-henrich/nutor,nulang/nu,timburks/nu,jqk6/nu,gcbeyond/nu,jqk6/nu,spotify/nu,gcbeyond/nu,timburks/nu,nulang/nu,gcbeyond/nu,alloy/nu,spotify/nu,timburks/nu,heiko-henrich/nutor,alloy/nu