ass="p">()</span>

<span class="k">let</span> <span class="nv">calledCompletionBlock</span> <span class="o">=</span> <span class="nf">expectation</span><span class="p">(</span><span class="nv">description</span><span class="p">:</span> <span class="s">"Should call completion block"</span><span class="p">)</span>

<span class="c1">// Perform allows to execute given closure, with all the method parameters, as soon as it is being called</span>
<span class="kt">Perform</span><span class="p">(</span><span class=