Updated openstack/openstack
Project: openstack/heat  5d6d99a4beeddda1992fe4e102cb8014a02993da
null
unit tests: Refactor to accomodate lazy evaluation

Do a complete resolution of all functions on each snippet, rather than
specifying individual function resolution methods to call.

Change-Id: I63f8a53d8a573a2e30bd9a8d901811367a570240