Error: Unexpected output from notmuch search:
This is an error
End of search results.
-Error invoking notmuch. $PWD/notmuch_fail search --format=json --sort=newest-first tag:inbox exited with status 1."
+Error invoking notmuch. $PWD/notmuch_fail search --format=json --format-version=1 --sort=newest-first tag:inbox exited with status 1."
test_done