{
  pkgs,
  lib,
  testers,
}:
 let
  inherit (testers) runNixOSTest;
in lib.makeScope lib.callPackageWith (self: {
  main = runNixOSTest {
    name = "nixos-test-dynamicism-main";

    defaults = { pkgs, ... }: {
      imports = [ ./dynamicism ];

      nix = {
        package = pkgs.lixPackageSets.latest.lix;
        settings.experimental-features = [ "nix-command" ];
        nixPath = [ "nixpkgs=${pkgs.path}" ];
      };

      environment.shellAliases = {
        ls = "eza --long --header --group --group-directories-first --classify --binary";
      };
      environment.systemPackages = with pkgs; [
        eza
        fd
        ripgrep
      ];
    };

    nodes.machine = { name, ... }: {
      #services.gotosocial = {
      #  enable = true;
      #  setupPostgresqlDB = true;
      #  settings = {
      #    application-name = "gotosocial-for-${name}";
      #    host = "${name}.local";
      #  };
      #};
      #
      #dynamicism.for.gotosocial.enable = true;
    };

    # What's a little IFD between friends?
    testScript = pkgs.replaceVars ./tests-main.py {
      DEFAULT_NIX = ../default.nix;
      CONFIGURATION_NIX = ./tests-configuration.nix;
      DYNAMICISM = ./dynamicism;
    }
    |> builtins.readFile;
  };
})