Version 0.12.0 installs tests directly into site-packages

[frenzymadness]

It seems that because tests folder is now a Python package (see the new __init__.py in d56a2de) the folder is included in the release. This means that the tests are also installed and they are installed directly into site-packages folder, which is not correct I'd say.

$ ls lib/python3.10/site-packages/tests 
conftest.py        test_core_functions.py     test_install.py            utils.py
__init__.py        test_datafiles_install.py  test_is_stale.py
__pycache__        test_datafiles_paths.py    test_main.py
test_build_api.py  test_deprecated.py         test_utility_functions.py

Is there any reason to have tests being a part of the released code? If so, would it make sense to move them somewhere else?

[blink1073]

Fixed by #135