I don't want to speak out of school, because I've never tried to boot up Jepsen for anything, but in theory the purpose of publishing the code for the experiment is that one can replicate its findings in your own environment to see if it impacts you. Yes, I'd guess that custom FUSE will be a PITA to configure but my experience with the AWS RDS setups for kicking the tires on MariaDB is (ahem) just money versus costing huge amounts of glucose