public function testGetRenditionDocumentReturnsDocument()
 {
     $renditionDocumentId = 'foo';
     $documentMock = $this->getMockBuilder('\\Dkd\\PhpCmis\\Data\\DocumentInterface')->getMockForAbstractClass();
     $this->sessionMock->expects($this->once())->method('createObjectId')->with($renditionDocumentId)->willReturn(new ObjectId('foo'));
     $this->sessionMock->expects($this->once())->method('getObject')->with($renditionDocumentId)->willReturn($documentMock);
     $rendition = new Rendition($this->sessionMock, 'objectId');
     $rendition->setRenditionDocumentId($renditionDocumentId);
     $this->assertSame($documentMock, $rendition->getRenditionDocument());
 }