Adding barbicanclient lib functional tests for orders

Change-Id: I0549316df71073cee2f80598ae345a2bfd3ea926
Refactoring and adding to functional orders tests

Change-Id: Idf9d30a7ce52a00fc8bb5f135ea7c6ad9e1b308f
Merge "Adding barbicanclient lib functional tests for orders"
Merge "Refactoring and adding to functional orders tests"