Adds unit test for silently failing on ConnectionError
Adds test for inner usage track_application_startup
Add test for default command name
Shorten method names and remove whitespaces
Merge branch 'master' of github.com:wercker/wercker-cli into add-metrics
Adds test for command passing from sys args
Adds test for missing script sys arg
Add test for argument passing
Add ANY value to mock assertions

To let the tests focus more on a single case, use the ANY value instead
of None or defaults.
Add test for missing arguments
Merge pull request #11 from wercker/add-metrics

Increase test coverage for metricses