FS init working, though logic mapping paths still not fully migrated
404s mapped to null response from operation and translated in filestore layer. Could be aided with conversion from 404 to FileNotFound?
teardown logic, about to pull up to FileSystemContractBaseTest
support of (container.service) as hostname in URLs -incomplete
Most of the basic tests are now working -only directory status is causing problems
multi-level dir creation working; tests to look at behaviour