/**
  * Flushes the underlying Telemetry_Channel queue. 
  */
 public function flush()
 {
     $this->_channel->send();
 }
 public function testQueue()
 {
     $telemetryChannel = new \ApplicationInsights\Channel\Telemetry_Channel();
     $telemetryChannel->setQueue([42, 42, 42]);
     $this->assertEquals($telemetryChannel->getQueue(), [42, 42, 42]);
 }