Additionally, if you&#x27;re using tape[1] for testing, I implemented a useful feature not too long ago to allow the preloading of modules[2] so you can run something like babel-register before your tests are run, effectively plugging in JIT-like support for your tests. (End shameless plug.)<p>[1]: <a href="https:&#x2F;&#x2F;github.com&#x2F;substack&#x2F;tape" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;substack&#x2F;tape</a><p>[2]: <a href="https:&#x2F;&#x2F;github.com&#x2F;substack&#x2F;tape#preloading-modules" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;substack&#x2F;tape#preloading-modules</a>