 the fact, that we
          pass argument <code class="computeroutput"><span class="identifier">level</span></code> to
          function <code class="computeroutput"><span class="identifier">test_operations</span></code>
          only for the sake of generating an error message in case of a failure.
        </p>
<p>
          Therefore, <span class="bold"><strong>loose</strong></span> coupling between the
          context of an assertion and the assertion point is a property that is desirable.
        <