class FileGroupTest extends GroupTest {
        function FileGroupTest() {
            $this-&gt;GroupTest('All file tests');
            $this-&gt;addTestFile('file_test.php');
        }
    }</strong>
?&gt;
</pre>
                This effectively names the test in the constructor and then
                adds our test cases and a single group below.
                Of course we can add more than one group at this point.
                We can now invoke the tests from a separate runner file...
<pre>
&lt;?