[PATCH] test: fix tests for content-disposition

[David Bremner]

Mark Walters <markwalters1009 at gmail.com> writes:

> This fixes all tests for the recent addition of content-disposition to
> the structured format outputs of notmuch-show.
> ---
>
> Since Jani added the content-disposition as I wanted to use it from emacs (thanks Jani!)
> I thought I should fix the tests.
>
> I don't know if it should be folded in to the main patch or applied
> separately. Either is fine with me.

Unfortunately this does not apply since 75bb23f74874e3820b0295d0a618045fc5f33417