ol</span> <span class="parameter-name">onTestHandler</span>(<span class="parameter" id="onTestHandler-param-event"><span class="type-annotation">T</span> <span class="parameter-name">event</span></span>)</span>)
      <div class="features">inherited</div>
    </section>
    <section class="desc markdown">
      <p>Creates an Observable where each item is a <code>Stream</code> containing the items
from the source sequence, batched whenever test passes.</p>
<h3 id="example">Example</h3>
<pre class="language-d