<p>The <em>req</em> object may contain:</p>

<ul>
<li><em>url</em> request url</li>
<li><em>timeout</em> timeout in milliseconds</li>
<li><em>method</em> HTTP method</li>
<li><em>data</em> request body</li>
<li><em>headers</em> headers object</li>
</ul>


<p>The <em>res</em> object may be a callback function which
receives the response for assertions, or an object
which is then used to perform several assertions
on the response with the following properties:</p>

<ul>
<li><em>body</em> assert response body<