tests: generalize secret cli parser to work for all cli commands

pkgs/clan-cli/tests/test_admin_cli.py

@@ -1,21 +1,14 @@
-import argparse
 from typing import Union
 
 import pytest_subprocess.fake_process
+from cli import Cli
 from pytest_subprocess import utils
 
-from clan_cli import admin
-
-
-def test_make_parser() -> None:
-    parser = argparse.ArgumentParser()
-    admin.register_parser(parser)
-
 
 # using fp fixture from pytest-subprocess
 def test_create(fp: pytest_subprocess.fake_process.FakeProcess) -> None:
     cmd: list[Union[str, utils.Any]] = ["nix", "flake", "init", "-t", fp.any()]
     fp.register(cmd)
-    args = argparse.Namespace(folder="./my-clan")
-    admin.create(args)
+    cli = Cli()
+    cli.run(["admin", "--folder", "./my-clan", "create"])
     assert fp.call_count(cmd) == 1