these 2 derivations will be built:
  /nix/store/41viariffdb77jc5rmi1qx7xad21a0rf-nixos-test-driver-collation-refresh.drv
  /nix/store/y9qfvj8c43j0sbwyk8n53vbhf43qc5sd-vm-test-run-collation-refresh.drv