ss="p">(</span><span class="kc">true</span><span class="p">,</span><span class="kc">nil</span><span class="p">)</span>
<span class="p">}))</span>

<span class="n">mock</span><span class="o">.</span><span class="n">methodThatTakesCompletionBlock</span> <span class="p">{</span> <span class="p">(</span><span class="n">success</span><span class="p">,</span> <span class="n">error</span><span class="p">)</span> <span class="k">in</span>
    <span class="n">calledCompletionBlock</span><span class="o">.</span><span