Introduction date: July 7, 2023
Introduction PR: https://github.com/mozilla/pdf.js/commit/5c5f9af803187d616703c19987eca5d7d39d9420 (/cc @calixteman)
Type: intermittent (sometimes it works, indicating a possible timing/waiting issue)
OS: Windows
Logs: http://54.193.163.58:8877/86bd72072bc402b/output.txt
Traceback:

```
Failures:
1) FreeText Editor FreeText (edit existing in double clicking on it) must move an annotation
  Message:
[31m    In firefox: Expected '' to equal 'pdfjs_internal_editor_0-editor'.[0m
  Stack:
        at <Jasmine>
        at C:\pdfjs\botio-files-pdfjs\private\86bd72072bc402b\test\integration\freetext_editor_spec.js:1187:14
        at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
        at async Promise.all (index 0)
        at async UserContext.<anonymous> (C:\pdfjs\botio-files-pdfjs\private\86bd72072bc402b\test\integration\freetext_editor_spec.js:1176:7)
  Message:
[31m    In firefox: Expected 'inherit' to equal 'true'.[0m
  Stack:
        at <Jasmine>
        at C:\pdfjs\botio-files-pdfjs\private\86bd72072bc402b\test\integration\freetext_editor_spec.js:1188:61
        at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
        at async Promise.all (index 0)
        at async UserContext.<anonymous> (C:\pdfjs\botio-files-pdfjs\private\86bd72072bc402b\test\integration\freetext_editor_spec.js:1176:7)
```
getFirstSerialized,
  getSerialized,
  loadAndWait,
  waitForEvent,
  waitForSelectedEditor,
  waitForStorageEntries,
} = require("./test_utils.js");
const PNG = require("pngjs").PNG;
const copyPaste = async page => {
  let promise = waitForEvent(page, "copy");
  await page.keyboard.down("Control");
  await page.keyboard.press("c");
  await page.keyboard.up("Control");
  await promise;
  await page.waitForTimeout(10);
  promise = waitForEvent(page, "paste");
  await page.keyboard.down("Control");
  await page.keyboard.press("v");
  await page.keyboard.up("Control");
  await promise;
};
const clearAll = async page => {
  await page.keyboard.down("Control");
  await page.keyboard.press("a");
  await page.keyboard.up("Control");
  await page.waitForTimeout(10);
  await page.keyboard.down("Control");
  await page.keyboard.press("Backspace");
  await page.keyboard.up("Control");
  await page.waitForTimeout(10);