Update PHPUnit configuration

sebastianbergmann · sebastianbergmann · commit 5fb49e560179 · 2023-05-07T08:58:42.000+02:00
diff --git a/phpunit.xml b/phpunit.xml
@@ -14,7 +14,7 @@
 
     <source>
         <include>
-            <directory suffix=".php">src</directory>
+            <directory>src</directory>
         </include>
     </source>
 
