Added test script to package.json so
> sunny@0.0.6 test /code/node-sunny
> ./node_modules/nodeunit/bin/nodeunit test

[1mcore.test[22m
✔ Empty CloudError.
✔ Simple CloudError.
✔ CloudError wraps Error.
✔ CloudError wraps Response.
✔ CloudError not found.
✔ CloudError not found and invalid. can be used to run core and live tests.