[bun.js] Use `Headers` from WebKit instead of custom

1 files changed, 2 insertions, 1 deletions

diff --git a/integration/bunjs-only-snippets/globals.test.js b/integration/bunjs-only-snippets/globals.test.js
index 831bbd93f..b498e0e8e 100644
--- a/integration/bunjs-only-snippets/globals.test.js
+++ b/integration/bunjs-only-snippets/globals.test.js
@@ -16,7 +16,8 @@ it("extendable", () => {
     var Foo = class extends Class {};
     var bar = new Foo();
     expect(bar instanceof Class).toBe(true);
-    expect(Class.prototype instanceof Class).toBe(true);
+    expect(!!Class.prototype).toBe(true);
+    expect(typeof Class.prototype).toBe("object");
   }
   expect(true).toBe(true);
 });