public function testGetCommentTableReturnsAnInstanceOfCommentTable()
 {
     $tableGatewayMock = $this->getMock('Zend\\Db\\TableGateway\\TableGateway', array(), array(), '', false);
     $commentTable = new CommentTable($tableGatewayMock);
     $this->serviceLocatorMock->expects($this->once())->method('get')->with('RbComment\\Model\\CommentTable')->will($this->returnValue($commentTable));
     $commentController = new CommentController();
     $commentController->setServiceLocator($this->serviceLocatorMock);
     $this->assertEquals($commentTable, $commentController->getCommentTable());
     $this->assertInstanceOf('RbComment\\Model\\CommentTable', $commentController->getCommentTable());
 }