Expanded class hierarchy of CollectionTest

class \Doctrine\Tests\DoctrineTestCase extends \Doctrine\Tests\PHPUnit_Framework_TestCase
- class \Doctrine\Tests\Common\Cache\CacheTest
- class \Doctrine\Tests\Common\ClassLoaderTest
- class \Doctrine\Tests\Common\Collections\CollectionTest
- class \Doctrine\Tests\Common\EventManagerTest
- class \Doctrine\Tests\Common\Persistence\Mapping\ClassMetadataFactoryTest
- class \Doctrine\Tests\Common\Persistence\Mapping\DefaultFileLocatorTest
- class \Doctrine\Tests\Common\Persistence\Mapping\DriverChainTest
- class \Doctrine\Tests\Common\Persistence\Mapping\FileDriverTest
- class \Doctrine\Tests\Common\Persistence\Mapping\PHPDriverTest
- class \Doctrine\Tests\Common\Persistence\Mapping\StaticPHPDriverTest
- class \Doctrine\Tests\Common\Persistence\Mapping\SymfonyFileLocatorTest
- class \Doctrine\Tests\Common\Persistence\PersistentObjectTest
- class \Doctrine\Tests\Common\Reflection\StaticReflectionParserTest
- class \Doctrine\Tests\Common\Util\ClassUtilsTest
- class \Doctrine\Tests\Common\Util\DebugTest