diff --git a/tests/stress/heap.spec.ts b/tests/stress/heap.spec.ts
index a88ab29005..66bedfe9ff 100644
--- a/tests/stress/heap.spec.ts
+++ b/tests/stress/heap.spec.ts
@@ -44,9 +44,9 @@ test('should not leak fixtures w/o page', async ({}) => {
 
 test('should not leak server-side objects', async ({ page }) => {
   expect(await queryObjectCount(require('../../packages/playwright-core/lib/server/page').Page)).toBe(1);
-  // 4 is because v8 heap creates objects for descendant classes, so WKContext, CRContext, FFContext and our context instance.
-  expect(await queryObjectCount(require('../../packages/playwright-core/lib/server/browserContext').BrowserContext)).toBe(4);
-  expect(await queryObjectCount(require('../../packages/playwright-core/lib/server/browser').Browser)).toBe(4);
+  // 4 is because v8 heap creates objects for descendant classes, so WKContext, CRContext, FFContext, BidiBrowserContext and our context instance.
+  expect(await queryObjectCount(require('../../packages/playwright-core/lib/server/browserContext').BrowserContext)).toBe(5);
+  expect(await queryObjectCount(require('../../packages/playwright-core/lib/server/browser').Browser)).toBe(5);
 });
 
 test('should not leak dispatchers after closing page', async ({ context, server }) => {