simplefs: Update test to expect the right paths and to properly test listing recursively to a given depth.
simplefs: Update test to expect the right paths and to properly test listing recursively to a given depth.

keybase/kbfs,keybase/client,keybase/client,keybase/client,keybase/kbfs,keybase/kbfs,keybase/kbfs,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client