Added stack traces for test error messages
Added stack traces for test error messages

ervinb/nightwatch,sknopf/nightwatch,nightwatchjs/nightwatch,campbellwmorgan/nightwatch,joel-airspring/nightwatch,vinogradoff/nightwatch,campbellwmorgan/nightwatch,aedile/nightwatch,miguelangelrr6/originnightwatch,ozymandias547/nightwatch,pmstss/nightwatch,JonDum/nightwatch,awatson1978/nightwatch,byron7g7/nightwatch,joel-airspring/nightwatch,Crunch-io/nightwatch,sethmcl/nightwatch,nightwatchjs/nightwatch,lukaszw82/nightwatch,gatero/nightwatch,AlphaGit/nightwatch,matskiv/nightwatch,teleological/nightwatch,aahill50/dibs-nightwatch,prolificcoder/nightwatch,iabw/nightwatch,feedhenry/nightwatch,obulisaravanan/nightwatch,Crunch-io/nightwatch,haggyj/nightwatch,mbixby/nightwatch,beatfactor/nightwatch,munro/nightwatch,vikki/nightwatch,vuthelinh/nightwatch,mobify/nightwatch,candrews/nightwatch,ervinb/nightwatch,CoderK/nightwatch,LucioFranco/nightwatch,bluemind-net/nightwatch,kpiwko/nightwatch