* Fix#222
* Fix#222
* move policy change and local options to cpm_add_subdirectory
* change default policy as well
see https://gitlab.kitware.com/cmake/cmake/-/issues/20312
* add test
* update check to not use the NOT operator
(interestingly it works as expected locally)
* simplify test by not using options
* check options in tests
Co-authored-by: Lars Melchior <TheLartians@users.noreply.github.com>