Kraken\_Unit\Event\EventEmitterTest::testApiFindListener_FindsListener PHP Method

    public function testApiFindListener_FindsListener(EventEmitterInterface $emitter)
    {
        $fun = function () {
        };
        $emitter->on('test', $fun);
        $this->assertSame(null, $emitter->findListener('test', function () {
        }));
        $this->assertSame(0, $emitter->findListener('test', $fun));
    }