[BUG] Blinking browser (Mobile, WebKit)

[andreirogal]

Context:

• Playwright Version: 1.19.1
• Operating System: Linux darkflame 5.13.0-28-generic chore: remove page.queryObjects API #31~20.04.1-Ubuntu SMP Wed Jan 19 14:08:10 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
• Node.js version: 16.13.0
• Browser: WebKit

System:

• OS: Linux 5.13 Ubuntu 20.04.3 LTS (Focal Fossa)
• Memory: 911.43 MB / 14.98 GB
• Container: Yes

Binaries:

• Node: 16.13.0 - ~/.nvm/versions/node/v16.13.0/bin/node
• npm: 8.1.0 - ~/.nvm/versions/node/v16.13.0/bin/npm

Languages:

• Bash: 5.0.17 - /usr/bin/bash

Describe the bug
See more https://github.com/andreirogal/playwright-viewport-bug/tree/bug-blinking-browser

See video

video.mp4

[2gury]

It is not reproduced on mac os

[yury-s]

See more https://github.com/andreirogal/playwright-viewport-bug/tree/bug-blinking-browser

I cannot reproduce it on my linux box. Are you running it with a different playwright.config?

[yury-s]

This is the video that I get:

video.mp4

[andreirogal]

@yury-s I use the same config - https://github.com/andreirogal/playwright-viewport-bug/tree/bug-blinking-browser

import {devices, PlaywrightTestConfig} from '@playwright/test';

const config: PlaywrightTestConfig = {
    use: {
        screenshot: "only-on-failure",
        video: "retain-on-failure",
        ...devices['iPhone X']
    }
};
export default config;

Your video shows that another test is being run: viewport-bug.spec.ts
Need to run this test: blinking-browser-bug.spec.ts

Strange, but now the bug has stopped reproducing. I can't say why. The bug was consistently reproduced.
Maybe you have any idea why this could be? Thanks!

upd.
Now I see that the task has been assigned a label version v1.20.
So something will be fixed?

[pavelfeldman]

We need more information to act on this report. Please file a new one and link to this issue once you can repro!