Begin writing test of Observation.of_name
Begin writing test of Observation.of_name

- Cover case where arg is `id`
- Begin to write test for `of_look_alikes`

MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer,MushroomObserver/mushroom-observer