Mark failing tests as xfail

The `cdb2_open` function seems to completely ignore its third argument
(`type`) and works regardless of whether it is a valid `utf-8` string or
not. This seems to be a bug in `bloomberg/comdb2`.

Signed-off-by: Gus Monod <[email protected]>

Author: sarahmonod

pyproject.toml

@@ -7,3 +7,6 @@ requires = [
 ]
 
 build-backend = 'setuptools.build_meta'
+
+[tool.pytest.ini_options]
+xfail_strict=true

setup.py

@@ -49,7 +49,7 @@ def make_static_extension(name, **kwargs):
     author_email='[email protected]',
     packages=['comdb2'],
     install_requires=["six", "pytz"],
-    extras_require={"tests": ["python-dateutil>=2.6.0", "pytest"]},
+    extras_require={"tests": ["python-dateutil>=2.6.0", "pytest", "mock; python_version < '3.3'"]},
     ext_modules=[ccdb2],
     package_data={"comdb2": ["py.typed", "*.pyi"]},
 )

tests/test_cdb2.py

@@ -219,6 +219,7 @@ def test_get_effects():
     assert hndl.get_effects().num_deleted == 1
 
 
+@pytest.mark.xfail(reason="cdb2_open ignores tier")
 def test_nonascii_error_messages():
     with pytest.raises(cdb2.Error) as exc_info:
         cdb2.Handle('mattdb', b'\xc3')

tests/test_dbapi2.py

@@ -77,6 +77,7 @@ def delete_all_rows():
     conn.close()
 
 
+@pytest.mark.xfail(reason="cdb2_open ignores tier")
 def test_invalid_cluster():
     with pytest.raises(OperationalError):
         connect('mattdb', 'foo')