Merge branch '4.4' into 5.0

* 4.4:
  cs fix

Author: nicolas-grekas

Tests/Translation/TranslatorTest.php

@@ -109,7 +109,7 @@ public function testTransWithCachingWithInvalidLocale()
 
     public function testLoadResourcesWithoutCaching()
     {
-        $loader = new \Symfony\Component\Translation\Loader\YamlFileLoader();
+        $loader = new YamlFileLoader();
         $resourceFiles = [
             'fr' => [
                 __DIR__.'/../Fixtures/Resources/translations/messages.fr.yml',
@@ -186,7 +186,7 @@ public function getDebugModeAndCacheDirCombinations()
 
     public function testCatalogResourcesAreAddedForScannedDirectories()
     {
-        $loader = new \Symfony\Component\Translation\Loader\YamlFileLoader();
+        $loader = new YamlFileLoader();
         $resourceFiles = [
             'fr' => [
                 __DIR__.'/../Fixtures/Resources/translations/messages.fr.yml',
@@ -348,7 +348,7 @@ public function getTranslator($loader, $options = [], $loaderFomat = 'loader', $
 
     public function testWarmup()
     {
-        $loader = new \Symfony\Component\Translation\Loader\YamlFileLoader();
+        $loader = new YamlFileLoader();
         $resourceFiles = [
             'fr' => [
                 __DIR__.'/../Fixtures/Resources/translations/messages.fr.yml',
@@ -373,7 +373,7 @@ public function testWarmup()
 
     public function testLoadingTranslationFilesWithDotsInMessageDomain()
     {
-        $loader = new \Symfony\Component\Translation\Loader\YamlFileLoader();
+        $loader = new YamlFileLoader();
         $resourceFiles = [
             'en' => [
                 __DIR__.'/../Fixtures/Resources/translations/domain.with.dots.en.yml',