anchor.diff:  	    $test3->mustSucceed("sleep 30");
   	    $test3->screenshot("screen");
   	  '';
  -      };              
  +      };
     };
   in
   jobs
  
positive.code: { nixpkgs ? /etc/nixos/nixpkgs
  , nixos ? /etc/nixos/nixos
  , system ? builtins.currentSystem
  }:
  
  let
    pkgs = import nixpkgs { inherit system; };
    
    disnixos = import "${pkgs.disnixos}/share/disnixos/testing.nix" {
      inherit nixpkgs nixos system;
    };
  
    jobs = rec {
      tarball =
        { WebServicesExample ? {outPath = ./.; rev = 1234;}
        , officialRelease ? false}:
      
        disnixos.sourceTarball {
          name = "WebServicesExample";
  	version = builtins.readFile ./version;
  
negative.code:       };
        
      build =
        { tarball ? jobs.tarball {}
        , system ? "x86_64-linux"
        }:
        
        let
          pkgs = import nixpkgs { inherit system; };
  	
          disnixos = import "${pkgs.disnixos}/share/disnixos/testing.nix" {
            inherit nixpkgs nixos system;
          };
        in
        disnixos.buildManifest {
          name = "WebServices";
  	version = builtins.readFile ./version;
  