MobileFrontend 'npm test' fails on Nodepool instance since jsduck is not available there:
00:01:07.900 > MobileFrontend-dependencies@0.0.1 doc /home/jenkins/workspace/npm-node-4.3 00:01:07.900 > jsduck 00:01:07.900 00:01:07.905 sh: 1: jsduck: not found