Reference a specific mocha version
Reference a specific mocha version

Linting was failing in the pipeline because the latest mocha version had incompatible changes.  Fixed version to 3.0.1
camilasb/sample-devops-tutorial-3b-20170701165421332,tvital/sample-devops-tutorial-3b-20170606202058628,RabahZeineddine/sample-cloud-native-toolchain-tutorial-20171029221021162,halkasimi/sample-AA-Last-Mile-Cloud-Toolchain,felipesj/toolchain-bluehealthy,maryjomcguinness/sample-cloud-native-toolchain-tutorial-20171006113506030,SusanLaFera/sample-devops-tutorial-advocate,tvital/sample-devops-tutorial-3b-20170606202058628,phangms/sample-cloud-native-toolchain-tutorial-20170621092003958,halkasimi/sample-AA-Last-Mile-Cloud-Toolchain,rockoman71/sample-devops-tutorial-3b-20170724232109932,macorreaibm/sample-devops-tutorial-3b-20170912113255515,SusanLaFera/sample-devops-tutorial-advocate,phangms/sample-cloud-native-toolchain-tutorial-20170621092003958,naraujos/sample-devops-tutorial-3b-20171013191852819,felipesj/toolchain-bluehealthy,chobdayIbm/sample-garage-chobday-toolchain-tutorial,naraujos/sample-devops-tutorial-3b-20171013191852819,tiagobaeta/sample-devops-tutorial-3b-20170717205532447,macorreaibm/sample-devops-tutorial-3b-20170912113255515,rpdias/sample-devops-tutorial-3b-20170918205340886,rpdias/sample-devops-tutorial-3b-20170918205340886,camilasb/sample-devops-tutorial-3b-20170701165421332,maryjomcguinness/sample-cloud-native-toolchain-tutorial-20171006113506030,tiagobaeta/sample-devops-tutorial-3b-20170717205532447,rockoman71/sample-devops-tutorial-3b-20170724232109932,RabahZeineddine/sample-cloud-native-toolchain-tutorial-20171029221021162,chobdayIbm/sample-garage-chobday-toolchain-tutorial