Avoid php unit warnings

composer.json

@@ -82,7 +82,7 @@
 			"php-cs-fixer fix --config Resources/Private/Build/PhpCsFixer.php --cache-file=.Build/phpcs.cache"
 		],
 		"code:phpstan": [
-			"phpstan analyse -c phpstan.neon"
+			"phpstan analyse -c phpstan.neon --memory-limit=1G"
 		],
 		"test:unit": [
 			"phpunit -c phpunit.xml --coverage-text --testdox"

phpunit.xml

@@ -1,8 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.4/phpunit.xsd" bootstrap=".Build/vendor/typo3/testing-framework/Resources/Core/Build/UnitTestsBootstrap.php" executionOrder="random" resolveDependencies="true" beStrictAboutOutputDuringTests="true" failOnRisky="true" stopOnSkipped="false" failOnWarning="true" colors="true" cacheDirectory=".phpunit.cache" requireCoverageMetadata="true" beStrictAboutCoverageMetadata="true">
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" backupGlobals="true"
+         bootstrap=".Build/vendor/typo3/testing-framework/Resources/Core/Build/UnitTestsBootstrap.php" colors="true"
+         processIsolation="false" stopOnError="false" stopOnFailure="false" stopOnIncomplete="false"
+         stopOnSkipped="false" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.1/phpunit.xsd"
+         cacheDirectory=".phpunit.cache" backupStaticProperties="false" requireCoverageMetadata="false">
   <testsuites>
     <testsuite name="language_detection tests">
       <directory>Tests</directory>
+      <exclude>Tests/Unit/AbstractUnitTest.php</exclude>
+      <exclude>Tests/Unit/Event/AbstractEventTest.php</exclude>
+      <exclude>Tests/Unit/Handler/AbstractHandlerTest.php</exclude>
     </testsuite>
   </testsuites>
   <coverage>
@@ -15,4 +22,4 @@
       <directory suffix=".php">Classes</directory>
     </include>
   </source>
-</phpunit>
+</phpunit>