 class="special">::</span><span class="identifier">abs</span><span class="special">(</span><span class="identifier">rand</span><span class="special">())</span> <span class="special">%</span> <span class="number">50</span><span class="special">;</span>
    <span class="identifier">BOOST_TEST_CONTEXT</span><span class="special">(</span><span class="string">"With level "</span> <span class="special">&lt;&lt;</span> <span class="identifier">level</span><span class="special">,</span> <span class="string">"Random