Add failing process in dummyNatsJobSupervisor to enable cli integration test
Add failing process in dummyNatsJobSupervisor to enable cli integration test

[#100344958](https://www.pivotaltracker.com/story/show/100344958)

Signed-off-by: Hua Zhang <acecdb50c47454737d0b9a0b29c19169fafbd4f7@cn.ibm.com>

mattcui/bosh-agent,cloudfoundry/bosh-agent,karafelix/bosh-agent,uzzz/bosh-agent,mattcui/bosh-agent,karafelix/bosh-agent,cloudfoundry/bosh-agent,gu-bin/bosh-agent,gu-bin/bosh-agent,mattcui/bosh-agent,uzzz/bosh-agent,karafelix/bosh-agent,uzzz/bosh-agent,gu-bin/bosh-agent