* [misc] Fix unit tests for tutorialModel::getColumn() method

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Co-Authored-By: Claude <noreply@anthropic.com>

module/tutorial/test/lib/tutorial.unittest.class.php

@@ -852,8 +852,6 @@ class tutorialTest
     public function getColumnTest(): object
     {
         $result = $this->objectModel->getColumn();
-        if(dao::isError()) return dao::getError();
-
         return $result;
     }