Fix static, test coverage

Author: engcom-Echo

app/code/Magento/Directory/Setup/Patch/Data/AddDataForItaly.php

@@ -3,7 +3,6 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
-
 declare(strict_types=1);
 
 namespace Magento\Directory\Setup\Patch\Data;
@@ -51,12 +50,15 @@ public function apply()
             $this->moduleDataSetup->getConnection(),
             $this->getDataForItaly()
         );
+
+        return $this;
     }
 
     /**
      * Italy states data.
      *
      * @return array
+     * @SuppressWarnings(PHPMD.ExcessiveMethodLength)
      */
     private function getDataForItaly()
     {

dev/tests/integration/testsuite/Magento/Directory/Model/RegionTest.php

@@ -0,0 +1,63 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\Directory\Model\Country\Postcode\Config;
+
+use Magento\Directory\Model\Country;
+use Magento\TestFramework\Helper\Bootstrap;
+use PHPUnit\Framework\TestCase;
+
+class RegionTest extends TestCase
+{
+    /**
+     * @var Country
+     */
+    protected $country;
+
+    /**
+     * @inheritDoc
+     */
+    public function setUp()
+    {
+        $this->country = Bootstrap::getObjectManager()->create(Country::class);
+    }
+
+    /**
+     * Verify country has regions.
+     *
+     * @var string $countryId
+     * @dataProvider getCountryIdDataProvider
+     */
+    public function testCountryHasRegions($countryId)
+    {
+        $country = $this->country->loadByCode($countryId);
+        $region = $country->getRegions()->getItems();
+
+        $this->assertTrue(!empty($region), 'Country ' . $countryId . ' not have regions');
+    }
+
+    /**
+     * Data provider for testCountryHasRegions
+     *
+     * @return array
+     */
+    public function getCountryIdDataProvider():array
+    {
+        return [
+            ['countryId' => 'US'],
+            ['countryId' => 'CA'],
+            ['countryId' => 'CN'],
+            ['countryId' => 'IN'],
+            ['countryId' => 'AU'],
+            ['countryId' => 'BE'],
+            ['countryId' => 'CO'],
+            ['countryId' => 'MX'],
+            ['countryId' => 'PL'],
+            ['countryId' => 'IT']
+        ];
+    }
+}