rework pocket-id to be more generic

modules/clan/pocket-id/tests/vm/default.nix

@@ -0,0 +1,34 @@
+{ ... }:
+{
+  name = "service-pocket-id";
+
+  clan = {
+    directory = ./.;
+    inventory = {
+      machines.server = { };
+
+      instances = {
+        pocket-id-test = {
+          module.name = "@clan/pocket-id";
+          module.input = "self";
+          roles.default.machines."server" = { };
+        };
+      };
+    };
+  };
+
+  nodes = {
+    server = {
+      services.pocket-id = { };
+    };
+  };
+
+  testScript = ''
+    start_all()
+
+    server.wait_for_unit("pocket-id")
+
+    # Check that garage is running
+    server.succeed("systemctl status pocket-id")
+  '';
+}