Updated the adjust instances health check to emit context, and test that in the unit test.
Updated the adjust instances health check to emit context, and test that in the unit test.

kaze/paasmaker,kaze/paasmaker,kaze/paasmaker,paasmaker/paasmaker,kaze/paasmaker,paasmaker/paasmaker,paasmaker/paasmaker,paasmaker/paasmaker,kaze/paasmaker,paasmaker/paasmaker