these 2 derivations will be built:
  /nix/store/5ckwdzi04wjqcaipfdlvi86ah9p3jx6b-nixos-test-driver-wrappers-regression-PSQL-1387.drv
  /nix/store/54k666n3247wxzc0xirsixw9rjsrf3cv-vm-test-run-wrappers-regression-PSQL-1387.drv