anchor.diff:  
       ${utf8LocaleSetting}
       echo Launching wallet node: ${wallet}
  -    ${wallet} &> ${stateDir}/logs/wallet.log &
  +    ${pkgs.time}/bin/time -v ${wallet} &> ${stateDir}/logs/wallet.log &
       wallet_pid=$!
   
       start_time=$(date +%s)
  
positive.code:   iohkPkgs = import ./../../.. { inherit config system pkgs gitrev; };
  
    cardanoDeps = with iohkPkgs; [ cardano-sl-tools cardano-sl-wallet-new ];
    demoClusterDeps = with pkgs; [ jq coreutils curl gnused openssl ];
    allDeps =  demoClusterDeps ++ cardanoDeps;
  
    wallet = pkgs.callPackage ../../launch/connect-to-cluster { inherit gitrev stateDir environment; };
  
  in
    pkgs.writeScript "acceptance-tests-${environment}" ''
  
negative.code:       fi
  
        if ! kill -0 $wallet_pid; then
          echo
          echo "***"
          echo "*** Here are the last 200 lines of ${stateDir}/logs/wallet.log"
          echo "***"
          tail -n200 ${stateDir}/logs/wallet.log
          echo
          echo "***"
          echo "*** Wallet is no longer running -- exiting"
          echo "***"
          exit 1
        fi
      done
  