It is findable on CA under all workouts and also in game under all workouts. Oddly if you search all workouts alphabetically looking for Ramp Tests you might be forgiven for missing the ones called FTP Ramp Test.
Looks like Ramp Test 101 might be from an old Training Plan 101 but now using new FTP Ramp Test.
Old forum thread explains need to have FTP set correctly to use Ramp Test 101