Tests in source distribution fail due to missing conftest module #117

=============================================================== ERRORS ================================================================
_____________________________________________ ERROR collecting tests/test_ruff_format.py ______________________________________________
ImportError while importing test module '/tmp/portage/dev-python/python-lsp-ruff-2.3.2/work/python_lsp_ruff-2.3.2/tests/test_ruff_format.py'.
Hint: make sure your test modules/packages have valid Python names.
Traceback:
/usr/lib/python3.12/site-packages/_pytest/python.py:508: in importtestmodule
    mod = import_path(
/usr/lib/python3.12/site-packages/_pytest/pathlib.py:596: in import_path
    importlib.import_module(module_name)
/usr/lib/python3.12/importlib/__init__.py:90: in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
<frozen importlib._bootstrap>:1387: in _gcd_import
    ???
<frozen importlib._bootstrap>:1360: in _find_and_load
    ???
<frozen importlib._bootstrap>:1331: in _find_and_load_unlocked
    ???
<frozen importlib._bootstrap>:935: in _load_unlocked
    ???
/usr/lib/python3.12/site-packages/_pytest/assertion/rewrite.py:188: in exec_module
    exec(co, module.__dict__)
tests/test_ruff_format.py:7: in <module>
    from conftest import temp_document
E   ModuleNotFoundError: No module named 'conftest'
______________________________________________ ERROR collecting tests/test_ruff_lint.py _______________________________________________
ImportError while importing test module '/tmp/portage/dev-python/python-lsp-ruff-2.3.2/work/python_lsp_ruff-2.3.2/tests/test_ruff_lint.py'.
Hint: make sure your test modules/packages have valid Python names.
Traceback:
/usr/lib/python3.12/site-packages/_pytest/python.py:508: in importtestmodule
    mod = import_path(
/usr/lib/python3.12/site-packages/_pytest/pathlib.py:596: in import_path
    importlib.import_module(module_name)
/usr/lib/python3.12/importlib/__init__.py:90: in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
<frozen importlib._bootstrap>:1387: in _gcd_import
    ???
<frozen importlib._bootstrap>:1360: in _find_and_load
    ???
<frozen importlib._bootstrap>:1331: in _find_and_load_unlocked
    ???
<frozen importlib._bootstrap>:935: in _load_unlocked
    ???
/usr/lib/python3.12/site-packages/_pytest/assertion/rewrite.py:188: in exec_module
    exec(co, module.__dict__)
tests/test_ruff_lint.py:12: in <module>
    from conftest import temp_document
E   ModuleNotFoundError: No module named 'conftest'
--------------- generated xml file: /tmp/portage/dev-python/python-lsp-ruff-2.3.2/temp/pytest-xml/python3.12-GjMYzh.xml ---------------
======================================================= short test summary info =======================================================
ERROR tests/test_ruff_format.py
ERROR tests/test_ruff_lint.py
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Interrupted: 2 errors during collection !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
========================================================== 2 errors in 0.64s ==========================================================```