Method invalid_path

tests/collection.py:722–730

(self)

            assert collection.subcollection_from_path("build.docs") is docs

        def invalid_path(self):
            # This is really just testing Lexicon/dict behavior but w/e, good
            # to be explicit, esp if we ever want this to become Exit or
            # another custom exception. (For now most/all callers manually
            # catch KeyError and raise Exit just to keep most Exit use high up
            # in the stack...)
            with raises(KeyError):
                collection = Collection.from_module(load("tree"))
                collection.subcollection_from_path("lol.whatever.man")

    class serialized:
        def empty_collection(self):