diff --git a/test/browsercontext.spec.js b/test/browsercontext.spec.js
index 4a0b95a533..f7c4c80138 100644
--- a/test/browsercontext.spec.js
+++ b/test/browsercontext.spec.js
@@ -437,7 +437,8 @@ module.exports.describe = function({testRunner, expect, playwright, CHROMIUM, FF
       expect(response.status()).toBe(200);
       await context.close();
     });
-    it('should allow disable authentication', async({browser, server}) => {
+    // flaky: https://github.com/microsoft/playwright/pull/1320/checks?check_run_id=498666394
+    it.fail(FFOX && LINUX)('should allow disable authentication', async({browser, server}) => {
       server.setAuth('/empty.html', 'user', 'pass');
       const context = await browser.newContext({
         httpCredentials: { username: 'user', password: 'pass' }