Configs with passwd are still accepted in 2.3.
See script directory for method. The script to run in the top level MaxScale directory is called maxscale-uncrustify.sh, which uses another script, list-src, from the same directory (so you need to set your PATH). The uncrustify version was 0.66.
passwd
As the parameter will be removed in 2.3, the test configurations need to be updated.
If a parameter is defined without a value, it is now treated as an error.