Incluse PATH to test_dir
Incluse PATH to test_dir

When using the arbitrary command function, prefix PATH to test_spec dir.

idaholab/moose,bwspenc/moose,harterj/moose,milljm/moose,harterj/moose,laagesen/moose,nuclear-wizard/moose,idaholab/moose,laagesen/moose,jessecarterMOOSE/moose,dschwen/moose,milljm/moose,lindsayad/moose,nuclear-wizard/moose,nuclear-wizard/moose,andrsd/moose,sapitts/moose,sapitts/moose,jessecarterMOOSE/moose,lindsayad/moose,jessecarterMOOSE/moose,bwspenc/moose,laagesen/moose,jessecarterMOOSE/moose,sapitts/moose,andrsd/moose,sapitts/moose,idaholab/moose,idaholab/moose,dschwen/moose,idaholab/moose,andrsd/moose,dschwen/moose,laagesen/moose,andrsd/moose,nuclear-wizard/moose,dschwen/moose,sapitts/moose,lindsayad/moose,laagesen/moose,dschwen/moose,milljm/moose,milljm/moose,lindsayad/moose,bwspenc/moose,harterj/moose,bwspenc/moose,harterj/moose,bwspenc/moose,andrsd/moose,jessecarterMOOSE/moose,milljm/moose,harterj/moose,lindsayad/moose