[PATCH] tests: account for varying-size OpenPGP signatures

[David Bremner]

Daniel Kahn Gillmor <dkg at fifthhorseman.net> writes:

> @@ -37,7 +37,8 @@ test_expect_success 'emacs delivery of signed message' \
>  test_begin_subtest "signature verification"
>  output=$(notmuch show --format=json --verify subject:"test signed message 001" \
>      | notmuch_json_show_sanitize \
> -    | sed -e 's|"created": [1234567890]*|"created": 946728000|')
> +    | sed -e 's|"created": [1234567890]*|"created": 946728000|' \
> +          -e 's/"content-length": [1-9][0-9]*/"content-length": "NONZERO"/')

there are a bunch of sed oneliners (or perl equivalent) collected in
test-lib.sh as functions test_*_sanitize. I wonder if that would be
worthwhile here, to have one place to update regexps etc...  Something
in the style of notmuch_show_sanitize wrapping a call to
notmuch_json_show_sanitize