gh-125783: Add more tests to prevent regressions with the combination of ctypes and metaclasses.#126126

encukou merged 5 commits intopython:mainpython/cpython:mainfrom

junkmd:test_metacls_PyCSimpleType_dunder_initjunkmd/cpython:test_metacls_PyCSimpleType_dunder_initCopy head branch name to clipboard