diff --git a/phpunit.xml b/phpunit.xml
index 63454441..0fa3ad89 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -1,13 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         bootstrap="vendor/autoload.php"
-         colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false"
+    backupStaticAttributes="false"
+    bootstrap="vendor/autoload.php"
+    colors="true"
+    convertErrorsToExceptions="true"
+    convertNoticesToExceptions="true"
+    convertWarningsToExceptions="true"
+    processIsolation="false"
+    stopOnFailure="false"
+    beStrictAboutTestsThatDoNotTestAnything="false"
 >
     <testsuites>
         <testsuite name="Package Test Suite">