Updated phpunit.xml stub file

stubs/init/phpunit.xml.stub

@@ -1,18 +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/10.3/phpunit.xsd"
-         bootstrap="vendor/autoload.php"
-         colors="true"
->
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.3/phpunit.xsd" bootstrap="vendor/autoload.php" colors="true">
     <testsuites>
         <testsuite name="Test Suite">
             <directory suffix="Test.php">./tests</directory>
         </testsuite>
     </testsuites>
-    <coverage>
+    <coverage/>
+    <source>
         <include>
             <directory suffix=".php">./app</directory>
             <directory suffix=".php">./src</directory>
         </include>
-    </coverage>
+    </source>
 </phpunit>