</a></span></code></pre>
<p>Within the test we'll create an instance, update the <code>foo</code> property (which
should trigger the computed property), and assert that the logic in our
computed property is working correctly.</p>
<pre class="language-javascript line-numbers"><code class="javascript language-javascript"><span class="token function">module</span><span class="token punctuation">(</span><span class="token string">'Unit: SomeThing'</span><span class="token punctuation">)</span><span class="token