diff --git a/lib/internal/test_runner/test.js b/lib/internal/test_runner/test.js
index b679410c5561e5..9ec0a8a9287df1 100644
--- a/lib/internal/test_runner/test.js
+++ b/lib/internal/test_runner/test.js
@@ -105,6 +105,8 @@ function lazyAssertObject(harness) {
     assertObj = new SafeMap();
     const assert = require('assert');
     const methodsToCopy = [
+      'atLeast',
+      'atMost',
       'deepEqual',
       'deepStrictEqual',
       'doesNotMatch',
@@ -112,7 +114,9 @@ function lazyAssertObject(harness) {
       'doesNotThrow',
       'equal',
       'fail',
+      'greaterThan',
       'ifError',
+      'lessThan',
       'match',
       'notDeepEqual',
       'notDeepStrictEqual',