  as a test and will display as an error in the Gui.</p>

<p>In addition, it is advisable that the constructor not have any side effects,
   since NUnit may construct the object multiple times in the course of a session.</li>

<p>Beginning with NUnit 2.5, the <b>TestFixture</b> attribute is optional
   for non-parameterized, non-generic fixtures, so long as the class contains
   at least one method marked with the <b>Test</b>,
   <b>TestCase</b> or <b>TestCaseSource</b> attribute.

<h4>Example:</h4>

<div c