public function setUp():void {
            parent::setUp();
            $this->channel_store = $this->createMock('ChannelStore');
            $this->application = $this->getMockBuilder(JApplication::class)
                                ->setMethods(['get', 'set'])
                                ->getMock();
            JFactory::$application = $this->application;

            $this->log = $this->getMockBuilder(JLog::class)
                       ->setMethods(['add'])
                       ->getMock();

            //  JLog = $this->log; ???
        }