(PUP-3175) Isolate yamldir for node/check_woy_cache_works.rb

Signed-off-by: Wayne <wayne@puppetlabs.com>
Merge remote-tracking branch 'upstream/pr/3070' into stable

* upstream/pr/3070:
  (PUP-3175) Isolate yamldir for node/check_woy_cache_works.rb