Fixed an issue that caused the unit tests for node registration to fail on certain machines.
Fixed an issue that caused the unit tests for node registration to fail on certain machines.

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