1 files changed, 1 insertions, 1 deletions
diff --git a/tests/PHPUnit/Unit/DataTable/Filter/PrependValueToMetadataTest.php b/tests/PHPUnit/Unit/DataTable/Filter/PrependValueToMetadataTest.php
index 4d82a28cf0..7d26799a3d 100644
--- a/tests/PHPUnit/Unit/DataTable/Filter/PrependValueToMetadataTest.php
+++ b/tests/PHPUnit/Unit/DataTable/Filter/PrependValueToMetadataTest.php
@@ -25,7 +25,7 @@ class PrependValueToMetadataTest extends \PHPUnit\Framework\TestCase
      */
     private $table;
 
-    public function setUp()
+    public function setUp(): void
     {
         $this->table = new DataTable();
         $this->addRowWithMetadata(array('test' => '1'));