ImboUnitTest\EventManager\EventManagerTest::testCanAddExtraParametersToTheEvent PHP Method

    public function testCanAddExtraParametersToTheEvent()
    {
        $this->manager->addEventHandler('handler', function ($event) {
            echo $event->getArgument('foo');
            echo $event->getArgument('bar');
        })->addCallbacks('handler', ['event' => 0]);
        $this->expectOutputString('barbaz');
        $this->manager->trigger('event', ['foo' => 'bar', 'bar' => 'baz']);
    }