Inheritance: implements Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface
 /**
  * @expectedException \LogicException
  */
 public function testProcessNoSignal()
 {
     $slotDef = new Definition();
     $slotDef->addTag('ezpublish.api.slot', array());
     $containerBuilder = new ContainerBuilder();
     $containerBuilder->addDefinitions(array('acme.foo_slot' => $slotDef, 'ezpublish.signalslot.signal_dispatcher' => new Definition()));
     $pass = new SignalSlotPass();
     $pass->process($containerBuilder);
 }