The test seems to fail from time to time due to the monitor not picking up
the master state fast enough. To prevent this, the test needs to wait for
at least one monitor interval.
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.
