virtualisation.writableStore = true;

          # Start the web interface with some weird settings.
          $machine->succeed("systemctl stop hydra-server hydra-evaluator hydra-queue-runner");
          $machine->mustSucceed("su - hydra -c 'NIX_STORE_DIR=/tmp/nix/store NIX_LOG_DIR=/tmp/nix/var/log/nix NIX_STATE_DIR=/tmp/nix/var/nix NIX_REMOTE= DBIC_TRACE=1 hydra-server -d' >&2 &");

          $machine->succeed("systemctl stop hydra-evaluator hydra-queue-runner");
          $machine->waitForJob("hydra-server");

system("NIX_STORE_DIR=/tmp/nix/store NIX_LOG_DIR=/tmp/nix/var/log/nix NIX_STATE_DIR=/tmp/nix/var/nix NIX_REMOTE= hydra-evaluator sample default");

system("hydra-evaluator sample default");

# Ugh, cached for 30s
sleep 30;
system("echo >> /run/jobset/default.nix; NIX_STORE_DIR=/tmp/nix/store NIX_LOG_DIR=/tmp/nix/var/log/nix NIX_STATE_DIR=/tmp/nix/var/nix hydra-evaluator sample default");

system("echo >> /run/jobset/default.nix; hydra-evaluator sample default");

ok($build->{buildoutputs}->{out}->{path} =~ /^\/tmp\/nix\/store\/[a-zA-Z0-9]{32}-job$/, "The build's outpath is in the nix store and named 'job'");

ok($build->{buildoutputs}->{out}->{path} =~ /^\/nix\/store\/[a-zA-Z0-9]{32}-job$/, "The build's outpath is in the Nix store and named 'job'");