Add property change delay tests
@pwithnall
Submitted by Philip Withnall Assigned to fol..@..e.bugs
Link to original bug (#719503)
Description
From bug #648811: Test a number of delays for properties and errors with persona adds/removes (using the mock functions) to make sure we don't break anything in the core with those types of issues.
Use the dummy backend for this.
Version: git master