diff --git a/test/parallel/test-whatwg-url-searchparams-inspect.js b/test/parallel/test-whatwg-url-searchparams-inspect.js
index 768ec5aa390f06..42641474abff2f 100644
--- a/test/parallel/test-whatwg-url-searchparams-inspect.js
+++ b/test/parallel/test-whatwg-url-searchparams-inspect.js
@@ -13,7 +13,8 @@ assert.strictEqual(util.inspect(sp.keys()),
                    "URLSearchParamsIterator { 'a', 'b', 'b' }");
 assert.strictEqual(util.inspect(sp.values()),
                    "URLSearchParamsIterator { 'a', 'b', 'c' }");
-
+assert.strictEqual(util.inspect(sp.keys(), {breakLength: 1}),
+                   "URLSearchParamsIterator {\n  'a',\n  'b',\n  'b' }");
 const iterator = sp.entries();
 assert.strictEqual(util.inspect(iterator),
                    "URLSearchParamsIterator { [ 'a', 'a' ], [ 'b', 'b' ], " +