   assert.ok(res.body.indexOf('tj') &gt;= 0, 'Test assert.response() callback');
});
</code></pre>

<h2 id="expresso-1-">expresso(1)</h2>

<p>To run a single test suite (file) run:</p>

<pre><code>$ expresso test/a.test.js
</code></pre>

<p>To run several suites we may simply append another:</p>

<pre><code>$ expresso test/a.test.js test/b.test.js
</code></pre>

<p>We can also pass a whitelist of tests to run within all suites:</p>

<pre><code>$ expresso --only "foo()" --only "bar()"
</code></pre>

<p>Or se