 <a href="../../../index.html">Index</a> &#x00BB; <a href="../../index.html">testo-util</a> &#x00BB; <a href="../index.html">Testo_util</a> &#x00BB; Error</nav><header class="odoc-preamble"><h1>Module <code><span>Testo_util.Error</span></code></h1></header><div class="odoc-content"><div class="odoc-spec"><div class="spec exception anchored" id="exception-Test_failure"><a href="#exception-Test_failure" class="anchor"></a><code><span><span class="keyword">exception</span> </span><span><span class="exception">