codintel: oop: tests: fix tests to match current codeintel

- strings are in unicode
- completions have a "retrigger" boolean property

(integrated from komodo (trunk) change 81068 by marky)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@13286 b87d16e7-d29f-4ee1-b5ec-817d645d335f