Re-enable parallel option for testem
Re-enable parallel option for testem

This acts as the maximum parallel process option so we ened to keep it
in.

jrjohnson/frontend,thecoolestguy/frontend,dartajax/frontend,dartajax/frontend,ilios/frontend,thecoolestguy/frontend,gboushey/frontend,gabycampagna/frontend,djvoa12/frontend,djvoa12/frontend,gabycampagna/frontend,gboushey/frontend,ilios/frontend,jrjohnson/frontend