diff --git a/tests/phpunit.dist.xml b/tests/phpunit.dist.xml
index ece5eef..0c6f8a7 100644
--- a/tests/phpunit.dist.xml
+++ b/tests/phpunit.dist.xml
@@ -2,6 +2,7 @@
 <phpunit
     colors="true"
     bootstrap="bootstrap.php"
+    cacheTokens="true"
     convertErrorsToExceptions="false"
     convertNoticesToExceptions="false"
     convertWarningsToExceptions="false"