common.js needs to be loaded in all tests so that there is checking
for variable leaks and possibly other things. However, it does not
need to be assigned to a variable if nothing in common.js is referred
to elsewhere in the test.
PR-URL: https://github.com/nodejs/node/pull/4408
Reviewed-By: James M Snell <jasnell@gmail.com>
It does not currently have any explicit tests to verify the behavior.
PR-URL: https://github.com/nodejs/node/pull/4283
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>