diff --git a/application/phpunit.xml.dist b/application/phpunit.xml.dist
index 069801a..1982a16 100644
--- a/application/phpunit.xml.dist
+++ b/application/phpunit.xml.dist
@@ -26,6 +26,11 @@
             <file>*Test.php</file>
         </testsuite>
     </testsuites>
+    <filter>
+	<whitelist>
+		<directory>./src/</directory>
+	</whitelist>
+    </filter>
     <listeners>
         <listener class="Symfony\Bridge\PhpUnit\SymfonyTestsListener" />
     </listeners>