diff --git a/boilerplate/skeleton/extension/tests/phpunit.integration.xml b/boilerplate/skeleton/extension/tests/phpunit.integration.xml
index 364c445..a1fa7e0 100644
--- a/boilerplate/skeleton/extension/tests/phpunit.integration.xml
+++ b/boilerplate/skeleton/extension/tests/phpunit.integration.xml
@@ -6,6 +6,7 @@
     cacheDirectory=".phpunit.cache"
     backupStaticProperties="false"
     colors="true"
+    displayDetailsOnTestsThatTriggerWarnings="true"
     processIsolation="true"
     stopOnFailure="false"
 >
diff --git a/boilerplate/skeleton/extension/tests/phpunit.unit.xml b/boilerplate/skeleton/extension/tests/phpunit.unit.xml
index eb33f60..fceb22b 100644
--- a/boilerplate/skeleton/extension/tests/phpunit.unit.xml
+++ b/boilerplate/skeleton/extension/tests/phpunit.unit.xml
@@ -1,11 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="../vendor/phpunit/phpunit/phpunit.xsd"
     backupGlobals="false"
     cacheDirectory=".phpunit.cache"
     backupStaticProperties="false"
     colors="true"
+    displayDetailsOnTestsThatTriggerWarnings="true"
     processIsolation="false"
     stopOnFailure="false"
 >