No more random exits because warnings are outputted to stderr.
No more random exits because warnings are outputted to stderr.

ro0gr/ember-cli-visual-acceptance,EWhite613/ember-cli-visual-acceptance,EWhite613/ember-cli-visual-acceptance,ro0gr/ember-cli-visual-acceptance,ciena-blueplanet/ember-cli-visual-acceptance,ciena-blueplanet/ember-cli-visual-acceptance