diff --git a/tests/library/capabilities.spec.ts b/tests/library/capabilities.spec.ts
index 75b925a51a..c740a45584 100644
--- a/tests/library/capabilities.spec.ts
+++ b/tests/library/capabilities.spec.ts
@@ -233,3 +233,11 @@ it('make sure that XMLHttpRequest upload events are emitted correctly', async ({
   });
   expect(events).toEqual(['loadstart', 'progress', 'load', 'loadend']);
 });
+
+it('loading in HTMLImageElement.prototype', async ({ page, server, browserName }) => {
+  it.info().annotations.push({ type: 'issue', description: 'https://github.com/microsoft/playwright/issues/22738' });
+  it.fixme(browserName === 'webkit');
+  await page.goto(server.EMPTY_PAGE);
+  const defined = await page.evaluate(() => 'loading' in HTMLImageElement.prototype);
+  expect(defined).toBeTruthy();
+});