diff --git a/tests/phpunit.xml b/tests/phpunit.xml
index 8dd25757266dbcb0fe36c25436bc3cbd9f707a0d..727a3dba6a789f3aec7459053a8c89fe982a35d2 100644
--- a/tests/phpunit.xml
+++ b/tests/phpunit.xml
@@ -18,6 +18,7 @@
 		<whitelist>
 			<directory suffix=".php">../application</directory>
 			<directory suffix=".php">../library/Class</directory>
+			<directory suffix=".php">../library/Trait</directory>
 			<directory suffix=".php">../library/Storm</directory>
 			<directory suffix=".php">../library/ZendAfi</directory>
 			<directory suffix=".php">../library/fonctions</directory>