In the user-testing file: Change
If you send out a mail afterwards, does it contain an "Autocrypt: prefer-encrypt=mutual; " header?
to
If you send out a mail afterwards, does it contain an "Autocrypt: prefer-encrypt=nopreference; " header?
In the user-testing file: Drop everything with "Charlie" because it would be a lot of effort to make yet another account (?)
Bob writes her a mail, Alice doesn't receive it -> Yes, she does, but isn't this desired behavior?
In the user-testing file: Change If you send out a mail afterwards, does it contain an "Autocrypt: prefer-encrypt=mutual; " header? to If you send out a mail afterwards, does it contain an "Autocrypt: prefer-encrypt=nopreference; " header?
In the user-testing file: Drop everything with "Charlie" because it would be a lot of effort to make yet another account (?)
Bob writes her a mail, Alice doesn't receive it -> Yes, she does, but isn't this desired behavior?
Fixes to the user-testing checklist: