<span class="special">:</span> <span class="identifier">in</span> <span class="string">"test_op_right_associative"</span><span class="special">:</span> <span class="identifier">check</span> <span class="special">--</span><span class="identifier">a</span> <span class="identifier">has</span> <span class="identifier">failed</span> <span class="special">[(</span><span class="keyword">bool</span><span class="special">)</span><span class="number">0</span> <span class="identifier">is</span> <span class="keyword">f