Correct expectation with idempotency unit test
Correct expectation with idempotency unit test

Test for the log message output saying 'no update needed', rather than
a test for a method not being called (which appears not to be supported by
rspec)

UKHomeOffice/vcloud-launcher,gds-operations/vcloud-launcher,UKHomeOffice/vcloud-launcher,UKHomeOffice/vcloud-launcher,gds-operations/vcloud-launcher,gds-operations/vcloud-launcher