From 884143218fad0e18f7553aaf079d52de703f7601 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bartek=20Iwa=C5=84czuk?= <biwanczuk@gmail.com>
Date: Thu, 27 Jan 2022 13:36:36 +0100
Subject: refactor: update runtime code for primordial checks for "instanceof"
 (#13497)

---
 runtime/js/40_testing.js | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'runtime/js/40_testing.js')

diff --git a/runtime/js/40_testing.js b/runtime/js/40_testing.js
index 5979a523e..62eb1e9a9 100644
--- a/runtime/js/40_testing.js
+++ b/runtime/js/40_testing.js
@@ -9,14 +9,15 @@
   const { serializePermissions } = window.__bootstrap.permissions;
   const { assert } = window.__bootstrap.util;
   const {
-    AggregateError,
+    AggregateErrorPrototype,
     ArrayPrototypeFilter,
     ArrayPrototypePush,
     ArrayPrototypeShift,
     ArrayPrototypeSome,
     DateNow,
     Error,
-    Function,
+    FunctionPrototype,
+    ObjectPrototypeIsPrototypeOf,
     Number,
     ObjectKeys,
     Promise,
@@ -530,7 +531,7 @@ finishing test case.`;
   }
 
   function formatError(error) {
-    if (error instanceof AggregateError) {
+    if (ObjectPrototypeIsPrototypeOf(AggregateErrorPrototype, error)) {
       const message = error
         .errors
         .map((error) =>
@@ -984,7 +985,7 @@ finishing test case.`;
         /** @returns {TestStepDefinition} */
         function getDefinition() {
           if (typeof nameOrTestDefinition === "string") {
-            if (!(fn instanceof Function)) {
+            if (!(ObjectPrototypeIsPrototypeOf(FunctionPrototype, fn))) {
               throw new TypeError("Expected function for second argument.");
             }
             return {
-- 
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