In this case, this particular fix doesn't
need a test case at all - it's suffices to mention that the fix is going
to be tested in the following patches.
>
> >
> > diff --git a/test/box-tap/cfg.test.lua b/test/box-tap/cfg.test.lua
> > index ffafdbe42..605623013 100755
> > --- a/test/box-tap/cfg.test.lua
> > +++ b/test/box-tap/cfg.test.lua
> > @@ -6,7 +6,7 @@ local socket = require('socket')
> > local fio = require('fio')
> > local uuid = require('uuid')
> > local msgpack = require('msgpack')
> > -test:plan(95)
> > +test:plan(96)
> >
> > --------------------------------------------------------------------------------
> > -- Invalid values
> > @@ -464,5 +464,11 @@ code = string.format(code_fmt, dir, instance_uuid, uuid.new())
> > test:is(run_script(code), PANIC, "replicaset_uuid mismatch")
> > fio.rmdir(dir)
> >
> > +--
> > +-- Check syslog configuration
> > +--
> > +code = [[box.cfg{log = 'syslog:identity=tarantool'}]]
> > +test:is(run_script(code), 0, "valid log configuration is broken")
> > +
> > test:check()
> > os.exit(0)