Deprecate ConstantStubber constant
Created by: JonRowe
Counterpart to #608, deprecates ConstantStubber
on 2.99, part of #597 (closed)
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Created by: JonRowe
Counterpart to #608, deprecates ConstantStubber
on 2.99, part of #597 (closed)