Fix a bug in the instance controller unit test, based on other refactoring.
Fix a bug in the instance controller unit test, based on other refactoring.

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