class MyTest extends PHPUnit_Framework_TestCase { public static function tearDownAfterClass() { // Clean up any resources or objects that were created during testing // Close database connections, delete temporary files, etc. } }In this example, the tearDownAfterClass method is used to clean up any resources or objects that were created during testing. This could include closing database connections or deleting temporary files. The PHPUnit_Framework_TestCase is a part of the PHPunit package library which is used for unit testing purposes.