[TEST] Enable all warnings for the tests

Author: oliverklee

Configuration/FunctionalTests.xml

@@ -3,23 +3,27 @@
          xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.6/phpunit.xsd"
          backupGlobals="true"
          backupStaticAttributes="false"
-         beStrictAboutTestsThatDoNotTestAnything="false"
+         beStrictAboutChangesToGlobalState="true"
+         beStrictAboutCoversAnnotation="true"
+         beStrictAboutOutputDuringTests="true"
+         beStrictAboutTestsThatDoNotTestAnything="true"
          bootstrap="../.Build/vendor/typo3/testing-framework/Resources/Core/Build/FunctionalTestsBootstrap.php"
          cacheResult="false"
          colors="true"
-         convertDeprecationsToExceptions="false"
+         convertDeprecationsToExceptions="true"
          convertErrorsToExceptions="true"
          convertNoticesToExceptions="true"
          convertWarningsToExceptions="true"
          failOnRisky="true"
          failOnWarning="true"
-         forceCoversAnnotation="false"
+         forceCoversAnnotation="true"
          stopOnError="false"
          stopOnFailure="false"
          stopOnIncomplete="false"
          stopOnSkipped="false"
          verbose="false"
 >
+
     <php>
         <!-- @deprecated: will be removed with next major version, constant TYPO3_MODE is deprecated -->
         <const name="TYPO3_MODE" value="BE"/>
@@ -29,7 +33,7 @@
                          Will always be done with next major version.
                          To still suppress warnings, notices and deprecations, do NOT define the constant at all.
          -->
-        <!--        <const name="TYPO3_TESTING_FUNCTIONAL_REMOVE_ERROR_HANDLER" value="true"/>-->
+        <const name="TYPO3_TESTING_FUNCTIONAL_REMOVE_ERROR_HANDLER" value="true"/>
         <ini name="display_errors" value="1"/>
         <env name="TYPO3_CONTEXT" value="Testing"/>
     </php>

Configuration/UnitTests.xml

@@ -3,7 +3,10 @@
          xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.6/phpunit.xsd"
          backupGlobals="true"
          backupStaticAttributes="false"
-         beStrictAboutTestsThatDoNotTestAnything="false"
+         beStrictAboutChangesToGlobalState="true"
+         beStrictAboutCoversAnnotation="true"
+         beStrictAboutOutputDuringTests="true"
+         beStrictAboutTestsThatDoNotTestAnything="true"
          bootstrap="../.Build/vendor/typo3/testing-framework/Resources/Core/Build/UnitTestsBootstrap.php"
          cacheResult="false"
          colors="true"
@@ -21,6 +24,7 @@
          stopOnSkipped="false"
          verbose="false"
 >
+
     <php>
         <!-- @deprecated: will be removed with next major version, constant TYPO3_MODE is deprecated -->
         <const name="TYPO3_MODE" value="BE"/>