I wasn't able to reproduce the failure locally. I tried with both Firefox and Chrome, 30 executions each. GE shows that it started failing on January 19th and it failed only 3 times since, with the same stacktrace, on Firefox only. From the video recording we can see that the problem is that the image is not inserted. The test is simply trying to insert an image that is attached to the current page, using Quick Actions. We can see that the image is selected in the Quick Actions dropdown. The test is then pressing Enter, which should select and insert the image. The quick actions dropdown is closed, but the image is not inserted. This looks like a timing issue, e.g. if the test is pressing the Enter key too early. But if that was the case I would have expected more failures.
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