Sokil\Mongo\CollectionTest::testStoreDocumentInPool_DocumentAlreadyStored PHP Method

    public function testStoreDocumentInPool_DocumentAlreadyStored()
    {
        /**
         * Store document to pool
         */
        $this->assertTrue($this->collection->isDocumentPoolEmpty());
        $document = $this->collection->createDocument(array('param' => 'value'))->save();
        $this->assertFalse($this->collection->isDocumentPoolEmpty());
        /**
         * Modify document in another thread
         */
        $client = new Client(getenv('PHPMONGO_DSN') ? getenv('PHPMONGO_DSN') : null);
        $client->getDatabase($document->getCollection()->getDatabase()->getName())->getCollection($document->getCollection()->getName())->find()->findOne()->set('param', 'updatedValue')->save();
        // here oroginal document must be in unconsisted state
        $this->assertEquals('value', $document->get('param'));
        // overload document in pool with new data
        $this->collection->find()->findOne();
        $this->assertEquals('updatedValue', $document->get('param'));
    }