cleanup upon suite:end, so that the next test group in buster.js has a clean slate to hookRequire again (otherwise we get an infinite loop somewhere and one of requires ends up with "Maximum stack size exceeded")
cleanup upon suite:end, so that the next test group in buster.js has a clean slate to hookRequire again (otherwise we get an infinite loop somewhere and one of requires ends up with "Maximum stack size exceeded")

englishtown/buster-istanbul