diff --git a/tests/unit/Framework/TestCaseTest.php b/tests/unit/Framework/TestCaseTest.php
index 615096aace1..26f626103f2 100644
--- a/tests/unit/Framework/TestCaseTest.php
+++ b/tests/unit/Framework/TestCaseTest.php
@@ -1253,7 +1253,7 @@ public function testErrorCanBeExpected(): void
         $this->expectErrorMessage('foo');
         $this->expectErrorMessageMatches('/foo/');
 
-        trigger_error('foo', E_USER_ERROR);
+        @trigger_error('foo', E_USER_ERROR);
     }
 
     /**