public function convertFromShouldFetchObjectFromPersistenceIfOnlyIdentityArrayGiven()
{
$identifier = '550e8400-e29b-11d4-a716-446655440000';
$object = new \stdClass();
$source = ['__identity' => $identifier];
$this->mockPersistenceManager->expects($this->once())->method('getObjectByIdentifier')->with($identifier)->will($this->returnValue($object));
$this->assertSame($object, $this->converter->convertFrom($source, 'MySpecialType'));
}