class MyTestSuite extends PHPUnit_Framework_TestSuite { public static function suite() { $suite = new PHPUnit_Framework_TestSuite(); $suite->setName("My Test Suite"); // Add test cases to the suite return $suite; } }In this example, a new test suite named "My Test Suite" is created and added to it using the PHPUnit_Framework_TestSuite setName method. This test suite can be used to group a set of related test cases. Package library: PHPUnit is an open-source testing framework for PHP used to write unit tests for PHP code. The PHPUnit_Framework_TestSuite setName method is a part of this framework.