Alcaeus\MongoDbAdapter\Tests\Mongo\MongoCollectionTest::testCreateDBRef PHP Method

    public function testCreateDBRef()
    {
        $collection = $this->getCollection();
        $reference = $collection->createDBRef(['_id' => 'foo']);
        $this->assertSame(['$ref' => 'test', '$id' => 'foo'], $reference);
    }