chromium/src/third_party/blink/web_tests/external/wpt/content-security-policy/script-src/support/change-scriptnonce-before-execute.js

// This script is executed after |scr1| and |scr2| are inserted into DOM
// before their execution (if not blocked by CSP).
if (document.getElementById('scr1')) {
  document.getElementById('scr1').setAttribute('nonce', 'wrong');
}
if (document.getElementById('scr2')) {
  document.getElementById('scr2').setAttribute('nonce', 'abc');
}