Steps to completion

Critical

• Submodule runtests
• Submodule test262
• Cache configuration for both submodules
• Artefact configuration for built binaries
• Copy artefacts to /vol/rr location for condor build
• Spawn condor
• Wait on condor, detect held jobs and fail.
• Database credentials in environment variable
• Pass in branch name to runtests

Optional

• Clean up /vol/rr location
• Bump up concurrent runner limit -- multiple held jobs possible
• Increase build timeout
• Report test data location to GitLab CI console/GitHub statuses