ClassMetadata Exporter Refactorings broke DatabaseDriverTest

1) Doctrine\Tests\ORM\Functional\DatabaseDriverTest::testCreateSimpleYamlFromDatabase
Exception: [PHPUnit_Framework_Error_Warning] is_dir() expects parameter 1 to be string, object given

With queries:
2. SQL: 'CREATE TABLE dbdriver_foo (id INT NOT NULL, bar VARCHAR(200) NOT NULL, PRIMARY KEY(id))' Params: 

Trace:
/home/benny/code/php/wsnetbeans/Doctrine/trunk/lib/Doctrine/ORM/Tools/ClassMetadataReader.php:188
/home/benny/code/php/wsnetbeans/Doctrine/trunk/lib/Doctrine/ORM/Tools/ClassMetadataReader.php:135
/home/benny/code/php/wsnetbeans/Doctrine/trunk/lib/Doctrine/ORM/Tools/Export/ClassMetadataExporter.php:124
/home/benny/code/php/wsnetbeans/Doctrine/trunk/tests/Doctrine/Tests/ORM/Functional/DatabaseDriverTest.php:92
/home/benny/code/php/wsnetbeans/Doctrine/trunk/tests/Doctrine/Tests/ORM/Functional/DatabaseDriverTest.php:36


/home/benny/code/php/wsnetbeans/Doctrine/trunk/tests/Doctrine/Tests/OrmFunctionalTestCase.php:259

2) Doctrine\Tests\ORM\Functional\DatabaseDriverTest::testCreateYamlWithForeignKeyFromDatabase
Exception: [PHPUnit_Framework_Error_Warning] is_dir() expects parameter 1 to be string, object given

With queries:
5. SQL: 'ALTER TABLE dbdriver_baz ADD CONSTRAINT dbdriver_baz_bar_id_fk FOREIGN KEY (bar_id) REFERENCES dbdriver_bar(id) NOT DEFERRABLE INITIALLY IMMEDIATE' Params: 
4. SQL: 'CREATE TABLE dbdriver_baz (id INT NOT NULL, bar_id INT NOT NULL, PRIMARY KEY(id))' Params: 
3. SQL: 'DROP TABLE dbdriver_baz' Params: 
2. SQL: 'CREATE TABLE dbdriver_bar (id INT NOT NULL, PRIMARY KEY(id))' Params: 

Trace:
/home/benny/code/php/wsnetbeans/Doctrine/trunk/lib/Doctrine/ORM/Tools/ClassMetadataReader.php:188
/home/benny/code/php/wsnetbeans/Doctrine/trunk/lib/Doctrine/ORM/Tools/ClassMetadataReader.php:135
/home/benny/code/php/wsnetbeans/Doctrine/trunk/lib/Doctrine/ORM/Tools/Export/ClassMetadataExporter.php:124
/home/benny/code/php/wsnetbeans/Doctrine/trunk/tests/Doctrine/Tests/ORM/Functional/DatabaseDriverTest.php:92
/home/benny/code/php/wsnetbeans/Doctrine/trunk/tests/Doctrine/Tests/ORM/Functional/DatabaseDriverTest.php:72


/home/benny/code/php/wsnetbeans/Doctrine/trunk/tests/Doctrine/Tests/OrmFunctionalTestCase.php:259