decaffeinate: Run post-processing cleanups on AccessTokenEncryptorTests.coffee

libraries/access-token-encryptor/test/unit/coffee/AccessTokenEncryptorTests.js

@@ -1,3 +1,5 @@
+// TODO: This file was created by bulk-decaffeinate.
+// Sanity-check the conversion and remove this comment.
 /*
  * decaffeinate suggestions:
  * DS102: Remove unnecessary code created because of implicit returns