chore(ruff): Manual fix for test_config_file

tests/test_config_file.py:197:5: PT012 `pytest.raises()` block should contain a single simple statement

Author: tony

tests/test_config_file.py

@@ -194,11 +194,11 @@ def test_multiple_config_files_raises_exception(tmp_path: pathlib.Path) -> None:
     json_conf_file.touch()
     yaml_conf_file = tmp_path / ".vcspull.yaml"
     yaml_conf_file.touch()
-    with EnvironmentVarGuard() as env, pytest.raises(exc.MultipleConfigWarning):
-        env.set("HOME", str(tmp_path))
-        assert pathlib.Path.home() == tmp_path
 
-        config.find_home_config_files()
+    with EnvironmentVarGuard() as env:
+        env.set("HOME", str(tmp_path))
+        with pytest.raises(exc.MultipleConfigWarning):
+            config.find_home_config_files()
 
 
 def test_in_dir(