test: use tmp directory in chdir test
This patch makes chdir test to use the tmp directory and moves the test to parallel.
CI Run: https://jenkins-iojs.nodesource.com/job/node-test-pull-request/198/
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This patch makes chdir test to use the tmp directory and moves the test to parallel.
CI Run: https://jenkins-iojs.nodesource.com/job/node-test-pull-request/198/