an>
<span class="n">sut</span><span class="o">.</span><span class="nf">saveUser</span><span class="p">(</span><span class="nv">name</span><span class="p">:</span> <span class="s">"Jon"</span><span class="p">,</span> <span class="nv">surname</span><span class="p">:</span> <span class="s">"Snow"</span><span class="p">)</span>

<span class="c1">// check if Jon Snow was stored at least one time</span>
<span class="kt">Verify</span><span class="p">(</span><span class="n">mockStorage</span><span class="p">,</span