Move workerThreadMain to separate file.
Add support for composing different workloads.
Make changes based on CR comments.
Fix inheritance bug
Add noindex tests
Comment some workloads
Rename some workloads
Have findAndModify use explicit _id for sharding
Check for disallowed keys in setupCluster
CR changes
Factor out noindex tests
Pass config.data as this in the other call sites
Fix bug in indexed tests
Better error message when workload doesn't define $config
Move helper so it doesn't look like a workload
try rename again