these 2 derivations will be built:
  /nix/store/5msfmdrgpvkk4bj7qc5f740xnazn7hlh-nixos-test-driver-wrappers-regression-PSQL-1387.drv
  /nix/store/gy754ihzr3w3b75gj84grq2kw11jirjb-vm-test-run-wrappers-regression-PSQL-1387.drv