settle for hello, ditching cowsay

deployment/check/data-model/constants.nix

@@ -1,7 +1,6 @@
 {
   targetMachines = [
     "hello"
-    "cowsay"
   ];
   pathToRoot = ../../..;
   pathFromRoot = ./.;

deployment/check/data-model/nixosTest.nix

@@ -46,7 +46,6 @@ in
   extraTestScript = ''
     with subtest("Check the status before deployment"):
       hello.fail("hello 1>&2")
-      cowsay.fail("cowsay 1>&2")
 
     ${lib.concatStringsSep "\n" (
       lib.lists.map (nodeName: ''
@@ -110,11 +109,8 @@ in
             # switch the remote host to the config
             ssh "''${sshOpts[@]}" "$host" "nix-env --profile /nix/var/nix/profiles/system --set $outPath; $outPath/bin/switch-to-configuration switch"
           """)
+          ${nodeName}.succeed("${nodeName} 1>&2")
       '') targetMachines
     )}
-
-    with subtest("Check the deployment"):
-      hello.succeed("hello 1>&2")
-      cowsay.succeed("cowsay hi 1>&2")
   '';
 }