Chrome Flags Reference

--browser-ui-tests-verify-pixels

What does --browser-ui-tests-verify-pixels do?

Causes tests to attempt to verify pixel output.

Usage

chrome --browser-ui-tests-verify-pixels

const browser = await puppeteer.launch({
  args: ['--browser-ui-tests-verify-pixels']
});

const browser = await chromium.launch({
  args: ['--browser-ui-tests-verify-pixels']
});

from selenium import webdriver

options = webdriver.ChromeOptions()
options.add_argument('--browser-ui-tests-verify-pixels')

driver = webdriver.Chrome(options=options)