To manually run this test, please follow the steps below:
1. Select 'plain' => Cut (e.g. Ctrl/Cmd-X) => Paste (e.g. Ctrl/Cmd-V).
2. Select 'rich' => Cut => Paste.
3. Select 'prevent' => Paste.
4. Select 'prevent' => Cut => Select 'normal' => Paste.

If a "PASS" result appears the test passes, otherwise it fails

rich

prevent

normal