diff --git a/tests/subplugin_step_test.php b/tests/subplugin_step_test.php
index 9e9d9fd..caf308a 100644
--- a/tests/subplugin_step_test.php
+++ b/tests/subplugin_step_test.php
@@ -30,7 +30,7 @@
 global $CFG;
 
 class subplugin_step_test extends \advanced_testcase {
-   
+
     /**
      * Test user.
      * @var