l
      test tree structure to be formed. The <span class="emphasis"><em>Unit Test Framework</em></span>
      requires the test tree to contain at least one test suite with at least one
      test case. The top level test suite - root node of the test tree - is called
      the master test suite.
    </p>
<a name="test_setup"></a><h4>
<a name="boost_test.section_glossary.h7"></a>
      <span class="phrase"><a name="boost_test.section_glossary.test_setup"></a></span><a class="link" href="section_glossary.ht