Merge branch '5.0'

* 5.0: (26 commits)
  [Filesystem] Handle paths on different drives
  [WebProfiler] Do not add src-elem CSP directives if they do not exist
  [Yaml] fix parse error when unindented collections contain a comment
  Execute docker dependent tests with github actions
  Update exception.html.php
  [3.4][Inflector] Improve testSingularize() argument name
  [Inflector] Fix testPluralize() arguments names
  [PhpUnitBridge] fix PHP 5.3 compat again
  Skip validation when email is an empty object
  fix sr_Latn translation
  [Validator] fix lazy property usage.
  Fix annotation
  [Debug][ErrorHandler] cleanup phpunit.xml.dist files
  [Translation] Fix for translation:update command updating ICU messages
  [PhpUnitBridge] fix compat with PHP 5.3
  bumped Symfony version to 5.0.9
  updated VERSION for 5.0.8
  updated CHANGELOG for 5.0.8
  bumped Symfony version to 4.4.9
  updated VERSION for 4.4.8
  ...

Author: nicolas-grekas

Tests/Caster/RedisCasterTest.php

@@ -17,6 +17,7 @@
 /**
  * @author Nicolas Grekas <[email protected]>
  * @requires extension redis
+ * @group integration
  */
 class RedisCasterTest extends TestCase
 {
@@ -37,16 +38,18 @@ public function testNotConnected()
 
     public function testConnected()
     {
+        $redisHost = getenv('REDIS_HOST');
         $redis = new \Redis();
-        if (!@$redis->connect('127.0.0.1')) {
-            $e = error_get_last();
-            self::markTestSkipped($e['message']);
+        try {
+            $redis->connect($redisHost);
+        } catch (\Exception $e) {
+            self::markTestSkipped($e->getMessage());
         }
 
-        $xCast = <<<'EODUMP'
+        $xCast = <<<EODUMP
 Redis {%A
   isConnected: true
-  host: "127.0.0.1"
+  host: "$redisHost"
   port: 6379
   auth: null
   mode: ATOMIC