common.js contains code that detects leaked variables.
In preparation for an eslint rule that will enforce loading common.js in
test files, load it everywhere it can be loaded and use an
`eslint-disable` comment for files that intentionally leak.
PR-URL: https://github.com/nodejs/node/pull/3157
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
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