 class="ex">label</h3>
<a href="#" data-expectedlabel="label" data-testname="link name from content" class="ex">label</a><br>
<br>

<h1>simple with ::before</h1>
<button data-expectedlabel="before label" data-testname="button name from content with ::before" class="ex simple-before">label</button><br>
<h3 data-expectedlabel="before label" data-testname="heading name from content with ::before" class="ex simple-before">label</h3>
<a href="#" data-expectedlabel="before label" data-testname="link name from con