these 2 derivations will be built:
  /nix/store/jygpfkg44kszpsbdqllpraiwcw2yf18x-nixos-test-driver-timescaledb.drv
  /nix/store/6ax9d5ilfv25sr8lys45binm99wy4h3y-vm-test-run-timescaledb.drv