<p>Test passes if there is a filled blue square.</p>
<div id="parent">
<div id="child"><img src="resources/square-blue-100x100.png"></div>
</div>
<p>Test passes if there is a filled blue square.</p>
<div id="parent">
<div id="child"><img src="resources/square-blue-100x100.png"></div>
</div>