diff --git a/tests/UtilTest.php b/tests/UtilTest.php
index b82f7827ccabcaffa854263aabf36d9815c62a4c..834612e01108831180616a7b11a6371268d08eac 100644
--- a/tests/UtilTest.php
+++ b/tests/UtilTest.php
@@ -1,7 +1,7 @@
 <?php
 namespace Tests;
 
-//require_once __DIR__."/../src/util.php";
+require_once __DIR__."/../src/util.php";
 
 use PHPUnit\Framework\TestCase;
 use function AnalyzerNS\removeAllWhiteSpaces;