these 2 derivations will be built:
  /nix/store/xnqi5my14b5vqhdp11v24pixb7rnnpyv-nixos-test-driver-timescaledb.drv
  /nix/store/n332b0qsxl857bb13gfs8igw0aq2l4rx-vm-test-run-timescaledb.drv