Expanded class hierarchy of BuildTestSuite in Drupal 9
- class \Drupal\Tests\TestSuites\TestSuiteBase extends \PHPUnit\Framework\TestSuite
- class \Drupal\Tests\Core\Test\StubTestSuiteBase
- class \Drupal\Tests\TestSuites\BuildTestSuite
- class \Drupal\Tests\TestSuites\FunctionalJavascriptTestSuite
- class \Drupal\Tests\TestSuites\FunctionalTestSuite
- class \Drupal\Tests\TestSuites\KernelTestSuite
- class \Drupal\Tests\TestSuites\UnitTestSuite