diff -u b/tests/src/Unit/OpenIdConnectSessionTest.php b/tests/src/Unit/OpenIdConnectSessionTest.php
--- b/tests/src/Unit/OpenIdConnectSessionTest.php
+++ b/tests/src/Unit/OpenIdConnectSessionTest.php
@@ -115,7 +115,7 @@
     }
 
     return [
-      'openid_connect_destination' => ltrim($destination, '/');;
+      'openid_connect_destination' => ltrim($destination, '/'),
     ];
   }