[Form] fixed unit tests when intl is not installed

tests/Symfony/Tests/Component/Form/Extension/Core/Type/CountryTypeTest.php

@@ -14,7 +14,7 @@ namespace Symfony\Tests\Component\Form\Extension\Core\Type;
 use Symfony\Component\Form\CountryField;
 use Symfony\Component\Form\FormView;
 
-class CountryTypeTest extends TypeTestCase
+class CountryTypeTest extends LocalizedTestCase
 {
     public function testCountriesAreSelectable()
     {

tests/Symfony/Tests/Component/Form/Extension/Core/Type/LanguageTypeTest.php

@@ -14,7 +14,7 @@ namespace Symfony\Tests\Component\Form\Extension\Core\Type;
 use Symfony\Component\Form\LanguageField;
 use Symfony\Component\Form\FormView;
 
-class LanguageTypeTest extends TypeTestCase
+class LanguageTypeTest extends LocalizedTestCase
 {
     public function testCountriesAreSelectable()
     {

tests/Symfony/Tests/Component/Form/Extension/Core/Type/LocaleTypeTest.php

@@ -14,7 +14,7 @@ namespace Symfony\Tests\Component\Form\Extension\Core\Type;
 use Symfony\Component\Form\LocaleField;
 use Symfony\Component\Form\FormView;
 
-class LocaleTypeTest extends TypeTestCase
+class LocaleTypeTest extends LocalizedTestCase
 {
     public function testLocalesAreSelectable()
     {