TST: address feedback

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>

Author: henryiii

pyproject.toml

@@ -70,7 +70,7 @@ strict = true
 lines_between_types = 1
 lines_after_imports = 2
 multi_line_output = 5
-known_first_party = 'mesonpy'
+known_first_party = "mesonpy"
 
 
 [tool.coverage.html]

tests/conftest.py

@@ -72,6 +72,8 @@ def tmp_dir_session(tmpdir_factory):
 class VEnv(EnvBuilder):
     def __init__(self, env_dir):
         super().__init__(with_pip=True)
+        # This warning is mistakenly generated by CPython 3.11.0
+        # https://github.com/python/cpython/pull/98743
         with warnings.catch_warnings():
             if sys.version_info[:3] == (3, 11, 0):
                 warnings.filterwarnings('ignore', 'check_home argument is deprecated and ignored.', DeprecationWarning)

tests/test_pep518.py

@@ -6,9 +6,7 @@
 from .conftest import cd_package, in_git_repo_context
 
 
-pytestmark = pytest.mark.isolated
-
-
+@pytest.mark.isolated
 @pytest.mark.parametrize(
     ('package'),
     [