integration: Specify cluster for get deployments.
integration: Specify cluster for get deployments.

- Just adds the ability to specify cluster in the tests,
  it's a no-op.

opentable/sous,samsalisbury/sous,samsalisbury/sous,opentable/sous,opentable/sous,samsalisbury/sous,samsalisbury/sous,opentable/sous,opentable/sous,samsalisbury/sous