e same as the two commands above. The following two commands will
run the same tests, however one will auto-instrument, and unshift <em>lib-cov</em>,
and the other will run tests normally:</p>

<pre><code>$ expresso -I lib test/*
$ expresso -I lib --cov test/*
</code></pre>

<p>Currently coverage is bound to the <em>lib</em> directory, however in the
future <code>--cov</code> will most likely accept a path.</p>

<h2 id="Async-Exports">Async Exports</h2>

<p>Sometimes it is useful to postpone running of test