The current test looks for success, but since there are
no surrounding {}s the test fails. Add them in and add
a test like the one that we replace but only in the
non-strict code path.
Specify the argument after JSMN_PRIMITIVE as "0" instead of 0 so
that weird things don't happen on OSX due to using it later with
`va_arg(..., char *)` in `vtokeq`.