ClearableService example

        ResettableService::$counter = 0;
        ClearableService::$counter = 0;
        MultiResettableService::$resetFirstCounter = 0;
        MultiResettableService::$resetSecondCounter = 0;
    }

    public function testResetServices()
    {
        $resetter = new ServicesResetter(new \ArrayIterator([
            'id1' => new ResettableService(),
            'id2' => new ClearableService(),
            'id3' => new MultiResettableService(),
        ]), [
            'id1' => ['reset'],
            'id2' => ['clear'],
            'id3' => ['resetFirst', 'resetSecond'],
        ]);

        $resetter->reset();

        $this->assertSame(1, ResettableService::$counter);
        $this->assertSame(1, ClearableService::$counter);