diff --git a/tests/unit/test_manifest_bottle_merge.py b/tests/unit/test_manifest_bottle_merge.py
index 322f442..03fc7de 100644
--- a/tests/unit/test_manifest_bottle_merge.py
+++ b/tests/unit/test_manifest_bottle_merge.py
@@ -25,6 +25,10 @@ def _bottle(**kwargs: object) -> ManifestBottle:
     return ManifestBottle.from_dict("test", kwargs)
 
 
+def _git_repo(url: str) -> dict[str, object]:
+    return {"url": url, "key": {"provider": "gitea", "forge_token_env": "TOK"}}
+
+
 class TestMergeBottlesRuntime(unittest.TestCase):
     def test_single_bottle_returns_as_is(self):
         b = _bottle(env={"FOO": "1"})
@@ -118,23 +122,20 @@ class TestMergeBottlesRuntime(unittest.TestCase):
     def test_git_repo_only_in_override_does_not_raise(self):
         # Regression for issue #457: override bottle declares a repo that the
         # base doesn't have → KeyError on base_repos_by_name[n].
-        _repo = lambda url: {"url": url, "key": {"provider": "gitea", "forge_token_env": "TOK"}}
         base = _bottle(env={"X": "base"})
-        override = _bottle(**{"git-gate": {"repos": {"myrepo": _repo("ssh://git@example.com/repo.git")}}})
+        override = _bottle(**{"git-gate": {"repos": {"myrepo": _git_repo("ssh://git@example.com/repo.git")}}})
         result = merge_bottles_runtime([base, override])
         self.assertIn("myrepo", [e.Name for e in result.git])
 
     def test_git_repo_only_in_base_survives_override(self):
-        _repo = lambda url: {"url": url, "key": {"provider": "gitea", "forge_token_env": "TOK"}}
-        base = _bottle(**{"git-gate": {"repos": {"myrepo": _repo("ssh://git@example.com/repo.git")}}})
+        base = _bottle(**{"git-gate": {"repos": {"myrepo": _git_repo("ssh://git@example.com/repo.git")}}})
         override = _bottle(env={"X": "override"})
         result = merge_bottles_runtime([base, override])
         self.assertIn("myrepo", [e.Name for e in result.git])
 
     def test_git_repo_override_wins_by_name(self):
-        _repo = lambda url: {"url": url, "key": {"provider": "gitea", "forge_token_env": "TOK"}}
-        base = _bottle(**{"git-gate": {"repos": {"myrepo": _repo("ssh://git@base.example.com/repo.git")}}})
-        override = _bottle(**{"git-gate": {"repos": {"myrepo": _repo("ssh://git@override.example.com/repo.git")}}})
+        base = _bottle(**{"git-gate": {"repos": {"myrepo": _git_repo("ssh://git@base.example.com/repo.git")}}})
+        override = _bottle(**{"git-gate": {"repos": {"myrepo": _git_repo("ssh://git@override.example.com/repo.git")}}})
         result = merge_bottles_runtime([base, override])
         self.assertEqual(1, len(result.git))
         self.assertEqual("ssh://git@override.example.com/repo.git", result.git[0].Upstream)