Add cleanup step to process watcher system test
Add cleanup step to process watcher system test

[#145917557]

Signed-off-by: Feroz Jilla <fe0095081cb91495a38c026959eda6a38e9b4eb5@pivotal.io>

pivotal-cf/cf-redis-release,pivotal-cf/cf-redis-release,pivotal-cf/cf-redis-release