public function testSaveReview()
 {
     $review = new PerformanceReview();
     $daoMock = $this->getMock("PerformanceReviewDao", array("saveReview"));
     $daoMock->expects($this->any())->method('saveReview')->will($this->returnValue($review));
     $service = new PerformanceReviewService();
     $service->setDao($daoMock);
     $review = $service->saveReview($review);
     $this->assertTrue(is_object($review));
 }