Refs https://github.com/python/cpython/commit/8a398bfbbc6769f6cabb3177702e7a506e203d61 Refs https://github.com/python/cpython/issues/143969#issuecomment-4486330465 Currently we don't have a single test that ensures that settable and deletable properties work as expected for both frozen dataclasses and their unfrozen subclasses. <!-- gh-linked-prs --> ### Linked PRs * gh-150070 * gh-152882 * gh-152883 * gh-152887 <!-- /gh-linked-prs -->