#1190: add error message to failed test with json-stream reporter
#1190: add error message to failed test with json-stream reporter

jbnicolai/mocha,ryanshawty/mocha,gaye/mocha,woodyrew/mocha,ajaykodali/mocha,outsideris/mocha,imsobear/mocha,ajaykodali/mocha,irnc/mocha,rlugojr/mocha,adamgruber/mocha,tinganho/mocha,woodyrew/mocha,mochajs/mocha,KevinTCoughlin/mocha,kyroskoh/mocha,cleberar38/mocha,ELLIOTTCABLE/mocha,sul4bh/mocha,papandreou/mocha,woodyrew/mocha,hashcube/mocha,ELLIOTTCABLE/mocha,luxe-eng/valet-express.mocha,hoverduck/mocha,moander/mocha,node-rookie/mocha,Phoenixmatrix/mocha,beatfactor/mocha,cleberar38/mocha,GerHobbelt/mocha,node-rookie/mocha,diydyq/mocha,geometrybase/mocha,GerHobbelt/mocha,kyroskoh/mocha,a8m/mocha,netei/mocha,upfrontIO/mocha,DeNA/mocha,rstacruz/mocha,santiagoaguiar/mocha,jbnicolai/mocha,charlie77/mocha,GranitB/mocha,youprofit/mocha,upfrontIO/mocha,menelaos/mocha-solarized,jjoos/mocha,benvinegar/mocha,tswaters/mocha,netei/mocha,KevinTCoughlin/mocha,a8m/mocha,Shyp/mocha,nexdrew/mocha,Shyp/mocha,hoverduck/mocha,moander/mocha,ianwremmel/mocha,mysterycommand/mocha,apkiernan/mocha,irnc/mocha,verkkokauppacom/mocha,nexdrew/mocha,pumpupapp/mocha,youprofit/mocha,JohnnyEstilles/mocha,rlugojr/mocha,jbnicolai/mocha,luxe-eng/valet-express.mocha,kevinburke/mocha,mysterycommand/mocha,nightwatchjs/mocha-nightwatch,mysterycommand/mocha,apkiernan/mocha,mbovel/mocha,rstacruz/mocha,Khan/mocha,hoverduck/mocha,Phoenixmatrix/mocha,youprofit/mocha,Khan/mocha,Hacker0x01/mocha,JohnnyEstilles/mocha,antoval/mocha,jasonkarns/mocha,phated/mocha,ELLIOTTCABLE/mocha,mochajs/mocha,igwejk/mocha,benvinegar/mocha,outsideris/mocha,tinganho/mocha,duncanbeevers/mocha,menelaos/mocha-solarized,imsobear/mocha,charlie77/mocha,GabrielNicolasAvellaneda/mocha,santiagoaguiar/mocha,GranitB/mocha,pandeysoni/mocha,menelaos/mocha-solarized,ryanshawty/mocha,TimothyGu/mocha,nightwatchjs/mocha-nightwatch,Khan/mocha,imsobear/mocha,sul4bh/mocha,rlugojr/mocha,Hacker0x01/mocha,aaroncrows/mocha,kolodny/mocha,irnc/mocha,beni55/mocha,gaye/mocha,jjoos/mocha,rstacruz/mocha,villesau/mocha,apkiernan/mocha,jasonkarns/mocha,GabrielNicolasAvellaneda/mocha,jkresner/mocha,moander/mocha,verkkokauppacom/mocha,IveWong/mocha,netei/mocha,DeNA/mocha,mbovel/mocha,boneskull/mocha,JohnnyEstilles/mocha,joshski/mocha,adamgruber/mocha,ianwremmel/mocha,GranitB/mocha,node-rookie/mocha,gaye/mocha,jkresner/mocha,aaroncrows/mocha,a8m/mocha,mponizil/mocha,phated/mocha,DeNA/mocha,sul4bh/mocha,pandeysoni/mocha,pumpupapp/mocha,TimothyGu/mocha,luxe-eng/valet-express.mocha,villesau/mocha,kolodny/mocha,IveWong/mocha,phated/mocha,joshski/mocha,adamgruber/mocha,geometrybase/mocha,hoverduck/mocha,hashcube/mocha,beatfactor/mocha,antoval/mocha,hashcube/mocha,verkkokauppacom/mocha,jkresner/mocha,beatfactor/mocha,diydyq/mocha,boneskull/mocha,pumpupapp/mocha,joshski/mocha,tswaters/mocha,aaroncrows/mocha,antoval/mocha,nightwatchjs/mocha-nightwatch,ryanshawty/mocha,Hacker0x01/mocha,nexdrew/mocha,boneskull/mocha,tswaters/mocha,kolodny/mocha,papandreou/mocha,GerHobbelt/mocha,cleberar38/mocha,tinganho/mocha,kevinburke/mocha,jjoos/mocha,Phoenixmatrix/mocha,IveWong/mocha,KevinTCoughlin/mocha,santiagoaguiar/mocha,wltsmrz/mocha,geometrybase/mocha,beni55/mocha,jasonkarns/mocha,villesau/mocha,kevinburke/mocha,wltsmrz/mocha,igwejk/mocha,ajaykodali/mocha,benvinegar/mocha,upfrontIO/mocha,pandeysoni/mocha,mponizil/mocha,ianwremmel/mocha,diydyq/mocha,kyroskoh/mocha,beni55/mocha,Shyp/mocha,duncanbeevers/mocha,charlie77/mocha,mochajs/mocha,mbovel/mocha,GabrielNicolasAvellaneda/mocha,mponizil/mocha,wltsmrz/mocha