ass="identifier">push_back</span><span class="special">(</span><span class="string">"xyz"</span><span class="special">);</span>
<span class="identifier">ut</span><span class="special">.</span><span class="identifier">push_back</span><span class="special">(</span><span class="number">1.23</span><span class="special">);</span>

<span class="identifier">test_generator_attr</span><span class="special">(</span><span class="string">"xyz1.23"</span><span class="special">,</span> <span class="identifier">as_string<