exclude :test_check_inheritable, "needs investigation"
exclude :test_initialize_copy, "needs investigation"
exclude :test_invalid_jump_from_class_definition, "needs investigation"
exclude :test_method_redefinition, "needs investigation"
exclude :test_module_function, "needs investigation"
exclude :test_nested_class_removal, "needs investigation"
exclude :test_redefine_private_class, "needs investigation"
exclude :test_singleton_class, "needs investigation"
