feat: refactoring of xml parsers

tests/BusProNet/DataLoader/HotelDataLoaderTest.php

@@ -2,7 +2,7 @@
 
 namespace App\Tests\BusProNet\DataLoader;
 
-use App\BusProNet\XmlLoader\HotelXmlLoader;
+use App\BusProNet\XmlLoader\HotelLoader;
 use App\BusProNet\Model\Hotel;
 use PHPUnit\Framework\TestCase;
 
@@ -10,7 +10,7 @@ class HotelDataLoaderTest extends TestCase
 {
     public function testParse(): void
     {
-        $loader = new HotelXmlLoader(__DIR__.'/../../Resources');
+        $loader = new HotelLoader(__DIR__.'/../../Resources');
         $hotelId = 163113;
 
         $xml = $loader->loadById($hotelId, 'hotels_data.xml');