tests: Ruff fixes

Fixed 5 errors:
- conftest.py:
    2 × PT001 (pytest-fixture-incorrect-parentheses-style)
- tests/test_config.py:
    1 × PT001 (pytest-fixture-incorrect-parentheses-style)
- tests/test_config_file.py:
    2 × PT001 (pytest-fixture-incorrect-parentheses-style)

Author: tony

conftest.py

@@ -56,7 +56,7 @@ def xdg_config_path(
     return p
 
 
-@pytest.fixture()
+@pytest.fixture
 def config_path(
     xdg_config_path: pathlib.Path,
     request: pytest.FixtureRequest,
@@ -81,7 +81,7 @@ def set_xdg_config_path(
     monkeypatch.setenv("XDG_CONFIG_HOME", str(xdg_config_path))
 
 
-@pytest.fixture()
+@pytest.fixture
 def repos_path(user_path: pathlib.Path, request: pytest.FixtureRequest) -> pathlib.Path:
     """Return temporary directory for repository checkout guaranteed unique."""
     path = user_path / "repos"

tests/test_config.py

@@ -24,7 +24,7 @@ def __call__(
         ...
 
 
-@pytest.fixture()
+@pytest.fixture
 def load_yaml(tmp_path: pathlib.Path) -> LoadYAMLFn:
     """Return a yaml loading function that uses temporary directory path."""
 

tests/test_config_file.py

@@ -15,15 +15,15 @@
 from .helpers import EnvironmentVarGuard, load_raw, write_config
 
 
-@pytest.fixture()
+@pytest.fixture
 def yaml_config(config_path: pathlib.Path) -> pathlib.Path:
     """Ensure and return vcspull yaml configuration file path."""
     yaml_file = config_path / "repos1.yaml"
     yaml_file.touch()
     return yaml_file
 
 
-@pytest.fixture()
+@pytest.fixture
 def json_config(config_path: pathlib.Path) -> pathlib.Path:
     """Ensure and return vcspull json configuration file path."""
     json_file = config_path / "repos2.json"