diff --git a/exercises/practice/killer-sudoku-helper/killer-sudoku-helper.spec.js b/exercises/practice/killer-sudoku-helper/killer-sudoku-helper.spec.js
index 9a1a295b65..61167f7e6a 100644
--- a/exercises/practice/killer-sudoku-helper/killer-sudoku-helper.spec.js
+++ b/exercises/practice/killer-sudoku-helper/killer-sudoku-helper.spec.js
@@ -1,3 +1,4 @@
+import { describe, expect, test, xtest } from '@jest/globals';
 import { combinations } from './killer-sudoku-helper';
 
 describe('Trivial 1-digit cages', () => {