* module: honor module-level __dir__ (PEP 562)
dir(module) ignored a module-level __dir__ function and returned the raw
__dict__ keys. Look up __dir__ in the module dict and, when present, call
it and return its result — matching CPython's module___dir___impl. The
existing expectedFailure markers on test_module_dir/test_module_dir_errors
are removed since both now pass.
Fixes#8231
Assisted-by: Claude Code:claude-opus-4-8
* test: unmark zoneinfo test_dir_contains_all (PEP 562 __dir__)
Honoring a module-level __dir__ makes dir(zoneinfo) contain everything
in __all__, so test_dir_contains_all now passes. Remove its stale
expectedFailure marker to avoid an unexpected-success CI failure.
Assisted-by: Claude Code:claude-opus-4-8
* test: unmark test_support.test_check__all__ (PEP 562 __dir__)
check__all__ iterates dir(module); honoring a module-level __dir__ fixes
dir(unittest), so test_check__all__ now passes. Remove its stale
expectedFailure marker to avoid an unexpected-success CI failure.
Assisted-by: Claude Code:claude-opus-4-8
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