The functions add_dependencies() and set_global() are convenience
methods that allow you to modify the global namespace while
the current file is running but then have it be cleaned up
by index.js when you're done.
(imported from commit f75b8a10c19f773a8d2d3a8fa4bc39b1679566fe)
There are no functional changes; you can still use the shell script
tools/test-js-with-node. It just delegates now to the new index.js to
iterate through all the other .js files in the test directory and run
them. This sets the stage for Istanbul to correctly compute test
coverage.
(imported from commit 6f521c78b7a314d010fa113f9c2c971ab999b637)
Steve Howell
Scott Feeney