Use stack.resource_by_refid to get the user resource.

Related to Bug #1131534
Change-Id: If8c9f0982f4a29c597c5ad3805637270e1a97f23
Add Quantum floating ip tests to improve coverage.

bug 1152445

Change-Id: If72885228f1d7200f7330a093f3c8a08ad1eea96
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
Add Quantum port tests to improve coverage.

bug 1152445

Change-Id: I6cb5d5dc03e0ed8ffd17cd3e0e2d36e705864bac
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
Add Quantum floating ip assoc tests to improve coverage.

bug 1152445

Change-Id: I7540b233f665f59bdecb171aa353798d2ce310b5
Merge "Add Quantum floating ip tests to improve coverage."
Merge "Add Quantum port tests to improve coverage."
Merge "Add Quantum floating ip assoc tests to improve coverage."
Merge "Use stack.resource_by_refid to get the user resource."