Enable the reporting of deprecations in the testsuite

Errors reported by Swiftmailer classes in the DebugClassLoader are
ignored as they won't be fixed (and they are not classified as indirect
ones probably because of the non-namespaced classes).

Author: stof

Tests/ignored-deprecations.txt

@@ -0,0 +1,4 @@
+# SwiftMailer does not put phpdoc on overwritten methods and is not maintained anymore to add them.
+/Method "Swift_[^"]++" might add "[^"]++" as a native return type declaration in the future\. Do the same in implementation "Swift_[^"]++" now to avoid errors or add an explicit @return annotation to suppress this message\./
+# Weird error reported for symfony/validator
+/The "Symfony\\Component\\Validator\\Constraint::\$errorNames" property is considered final\. You should not override it in "Symfony\\Component\\Validator\\Constraints\\NotBlank"\./

composer.json

@@ -51,7 +51,7 @@
         "friendsofphp/php-cs-fixer": "^3.0.2, !=3.5.0",
         "swiftmailer/swiftmailer": "^4.3 || ^5.0 || ^6.0",
         "symfony/console": "^4.4 || ^5.0",
-        "symfony/phpunit-bridge": "^5.3",
+        "symfony/phpunit-bridge": "^6.1",
         "symfony/yaml": "^4.4 || ^5.0"
     },
     "config": {

phpunit.xml.dist

@@ -18,7 +18,8 @@
             </exclude>
         </whitelist>
     </filter>
+
     <php>
-        <env name="SYMFONY_DEPRECATIONS_HELPER" value="disabled" />
+        <env name="SYMFONY_DEPRECATIONS_HELPER" value="ignoreFile=Tests/ignored-deprecations.txt&amp;max[total]=0" />
     </php>
 </phpunit>