async testing 1/x

pyproject.toml

src/model_dml/dml.py

tests/conftest.py

tests/test_async_delete.py

tests/test_async_insert.py

tests/test_async_select.py

tests/test_async_update.py

tests/test_delete.py

tests/test_insert.py

tests/test_main.py

tests/test_select.py

tests/test_update.py