Refactor CacheDir unit tests to: - restore functionality that was dropped in the transition; - commonize creation of test Nodes and other (mock) objects - separate CacheDir tests from tests of CacheDir through Node.FS.File.
Refactor CacheDir unit tests to:
- restore functionality that was dropped in the transition;
- commonize creation of test Nodes and other (mock) objects
- separate CacheDir tests from tests of CacheDir through Node.FS.File.



azatoth/scons,azatoth/scons,azatoth/scons,azatoth/scons,azatoth/scons