nix: use reverse-DNS style id as unique identifier

Signed-off-by: Ophestra <cat@gensokyo.uk>

test/sandbox/case/default.nix

@@ -24,7 +24,7 @@ let
   };
 
   callTestCase =
-    path:
+    path: identity:
     let
       tc = import path {
         inherit
@@ -36,6 +36,7 @@ let
     in
     {
       name = "check-sandbox-${tc.name}";
+      inherit identity;
       verbose = true;
       inherit (tc)
         tty
@@ -51,10 +52,12 @@ let
         (toString (builtins.toFile "fortify-${tc.name}-want.json" (builtins.toJSON tc.want)))
       ];
     };
+
+  testCaseName = name: "cat.gensokyo.fortify.test." + name;
 in
 {
-  preset = callTestCase ./preset.nix;
-  tty = callTestCase ./tty.nix;
-  mapuid = callTestCase ./mapuid.nix;
-  device = callTestCase ./device.nix;
+  ${testCaseName "preset"} = callTestCase ./preset.nix 1;
+  ${testCaseName "tty"} = callTestCase ./tty.nix 2;
+  ${testCaseName "mapuid"} = callTestCase ./mapuid.nix 3;
+  ${testCaseName "device"} = callTestCase ./device.nix 4;
 }

test/sandbox/configuration.nix

@@ -6,7 +6,6 @@
 }:
 let
   testProgram = pkgs.callPackage ./tool/package.nix { inherit (config.environment.fortify.package) version; };
-  testCases = import ./case lib testProgram;
 in
 {
   users.users = {
@@ -76,11 +75,6 @@ in
       }
     ];
 
-    apps = with testCases; [
-      preset
-      tty
-      mapuid
-      device
-    ];
+    apps = import ./case lib testProgram;
   };
 }