Sokil\Mongo\DocumentTest::testPushEach_OnSavedDocument PHP Method

    public function testPushEach_OnSavedDocument()
    {
        // create document
        $doc = $this->collection->createDocument(array('some' => 'some'))->save();
        // push single to empty
        $doc->pushEach('key', array(1, 2));
        $doc->push('key', 3);
        $doc->pushEach('key', array(4, 5));
        $this->assertEquals(array(1, 2, 3, 4, 5), $doc->key);
        $doc->save();
        $this->assertEquals(array(1, 2, 3, 4, 5), $this->collection->getDocumentDirectly($doc->getId())->key);
    }