-output=$(notmuch show --format=json --part=0 'id:87liy5ap00.fsf@yoom.home.cworth.org')
-test_expect_equal "$output" \
-'{"id": "87liy5ap00.fsf@yoom.home.cworth.org", "match": true, "filename": "'"${MAIL_DIR}/multipart"'", "timestamp": 978709437, "date_relative": "2001-01-05", "tags": ["attachment","inbox","signed","unread"], "headers": {"Subject": "Multipart message", "From": "Carl Worth <cworth@cworth.org>", "To": "cworth@cworth.org", "Cc": "", "Bcc": "", "Date": "Tue, 05 Jan 2001 15:43:57 -0000"}, "body": [{"id": 1, "content-type": "multipart/signed", "content": [{"id": 2, "content-type": "multipart/mixed", "content": [{"id": 3, "content-type": "message/rfc822", "content": [{"id": 4, "content-type": "text/html"}]}, {"id": 5, "content-type": "text/plain", "filename": "attachment", "content": "This is a text attachment.\n"}, {"id": 6, "content-type": "text/plain", "content": "And this message is signed.\n\n-Carl\n"}]}, {"id": 7, "content-type": "application/pgp-signature"}]}]}'
+notmuch show --format=json --part=0 'id:87liy5ap00.fsf@yoom.home.cworth.org' | sed 's|{"id":|\n{"id":|g' >OUTPUT
+echo >>OUTPUT # expect *no* newline at end of output
+cat <<EOF >EXPECTED
+
+{"id": "87liy5ap00.fsf@yoom.home.cworth.org", "match": true, "filename": "${MAIL_DIR}/multipart", "timestamp": 978709437, "date_relative": "2001-01-05", "tags": ["attachment","inbox","signed","unread"], "headers": {"Subject": "Multipart message", "From": "Carl Worth <cworth@cworth.org>", "To": "cworth@cworth.org", "Cc": "", "Bcc": "", "Date": "Fri, 05 Jan 2001 15:43:57 +0000"}, "body": [
+{"id": 1, "content-type": "multipart/signed", "content": [
+{"id": 2, "content-type": "multipart/mixed", "content": [
+{"id": 3, "content-type": "message/rfc822", "content": [{"headers": {"From": "Carl Worth <cworth@cworth.org>", "To": "cworth@cworth.org", "Subject": "html message", "Date": "Fri, 05 Jan 2001 15:42:57 +0000"}, "body": [
+{"id": 4, "content-type": "multipart/alternative", "content": [
+{"id": 5, "content-type": "text/html"},
+{"id": 6, "content-type": "text/plain", "content": "This is an embedded message, with a multipart/alternative part.\n"}]}]}]},
+{"id": 7, "content-type": "text/plain", "filename": "attachment", "content": "This is a text attachment.\n"},
+{"id": 8, "content-type": "text/plain", "content": "And this message is signed.\n\n-Carl\n"}]},
+{"id": 9, "content-type": "application/pgp-signature"}]}]}
+EOF
+test_expect_equal_file OUTPUT EXPECTED