ability to override BUILDTEST options via environment variables. environment variables and override options defined in config.yaml, while command line option can override both config.yaml and environment variables.
ability to override BUILDTEST options via environment variables.
environment variables and override options defined in config.yaml, while
command line option can override both config.yaml and environment variables.

HPC-buildtest/buildtest-framework,HPC-buildtest/buildtest-framework,HPC-buildtest/buildtest-framework,HPC-buildtest/buildtest-framework