Merge branch '4.4' into 5.0

* 4.4: (38 commits)
  reset the kernel cache after each test
  [HttpKernel] Ability to define multiple kernel.reset tags
  [Routing] Continue supporting single colon in object route loaders
  [FWBundle] Remove unused parameter
  [Intl] [Workflow] fixes English grammar typos
  [Filesystem] [Serializer] fixes English grammar typo
  mailer: mailchimp bridge is throwing undefined index _id when setting message id in mandrill http transport
  has_roles should be is_granted in upgrade files
  [HttpClient] Fix early cleanup of pushed HTTP/2 responses
  skip test on incompatible PHP versions
  [HttpKernel] Don't cache "not-fresh" state
  [FrameworkBundle][Cache] Don't deep-merge cache pools configuration
  [Messenger] Adding exception to amqp transport in case amqp ext is not installed
  [SecurityBundle] Don't require a user provider for the anonymous listener
  [Monolog Bridge] Fixed accessing static property as non static.
  Improve Symfony description
  [Mailer] Add UPGRADE entries about Envelope and MessageEvent
  [FrameworkBundle] fix leftover mentioning "secret:" processor
  Add DateTimeZoneNormalizer into Dependency Injection
  [Messenger] Error when specified default bus is not among the configured
  ...

Author: Robin Chalas

Constraint.php

@@ -287,7 +287,7 @@ public function getTargets()
      *
      * @internal
      */
-    public function __sleep(): array
+    public function __sleep()
     {
         // Initialize "groups" option if it is not set
         $this->groups;

Resources/translations/validators.ja.xlf

@@ -362,6 +362,10 @@
                 <source>This password has been leaked in a data breach, it must not be used. Please use another password.</source>
                 <target>このパスワードは漏洩している為使用できません。</target>
             </trans-unit>
+            <trans-unit id="94">
+                <source>This value should be between {{ min }} and {{ max }}.</source>
+                <target>{{ min }}以上{{ max }}以下でなければなりません。</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>

Test/ConstraintValidatorTestCase.php

@@ -177,7 +177,8 @@ protected function expectValidateAt($i, $propertyPath, $value, $group)
             ->willReturn($validator);
         $validator->expects($this->at(2 * $i + 1))
             ->method('validate')
-            ->with($value, $this->logicalOr(null, [], $this->isInstanceOf('\Symfony\Component\Validator\Constraints\Valid')), $group);
+            ->with($value, $this->logicalOr(null, [], $this->isInstanceOf('\Symfony\Component\Validator\Constraints\Valid')), $group)
+            ->willReturn($validator);
     }
 
     protected function expectValidateValueAt($i, $propertyPath, $value, $constraints, $group = null)
@@ -189,7 +190,8 @@ protected function expectValidateValueAt($i, $propertyPath, $value, $constraints
             ->willReturn($contextualValidator);
         $contextualValidator->expects($this->at(2 * $i + 1))
             ->method('validate')
-            ->with($value, $constraints, $group);
+            ->with($value, $constraints, $group)
+            ->willReturn($contextualValidator);
     }
 
     protected function assertNoViolation()