Add prettyFileName test for ProjectController and replace Project::open with ProjectController::openProjectAdd prettyFileName test for ProjectController and replace Project::open with ProjectController::openProject
Using ProjectController::openProject because Project::open fails with assert

REVIEW: 119829
Consistent naming scheme for unit test

Changes:
* Rename .cpp .h and target from footest or whatever to test_foo
* Rename class from FooTest to TestFoo
* Adapt headers guardians if needed

REVIEW: 119795
CCBUG: 337282