diff --git a/seed_data/challenges/basic-bonfires.json b/seed_data/challenges/basic-bonfires.json
index 56c58cfd36..7524602729 100644
--- a/seed_data/challenges/basic-bonfires.json
+++ b/seed_data/challenges/basic-bonfires.json
@@ -314,6 +314,7 @@
       "tests": [
         "assert.deepEqual(chunk(['a', 'b', 'c', 'd'], 2), [['a', 'b'], ['c', 'd']], 'should return chunked arrays');",
         "assert.deepEqual(chunk([0, 1, 2, 3, 4, 5], 3), [[0, 1, 2], [3, 4, 5]], 'should return chunked arrays');",
+        "assert.deepEqual(chunk([0, 1, 2, 3, 4, 5], 2), [[0, 1], [2, 3], [4, 5]], 'should return chunked arrays');",
         "assert.deepEqual(chunk([0, 1, 2, 3, 4, 5], 4), [[0, 1, 2, 3], [4, 5]], 'should return the last chunk as remaining elements');"
       ],
       "MDNlinks": ["Array.push()"],