has_names test can't run if certain names are missing

[asmeurer]

The has names test should run regardless of what names are present in the module. Right now, it fails if bool is not present

ImportError while loading conftest '/Users/aaronmeurer/Documents/array-api-tests/conftest.py'.
conftest.py:13: in <module>
    from reporting import pytest_metadata, pytest_json_modifyreport, add_extra_json_metadata # noqa
reporting.py:1: in <module>
    from array_api_tests.dtype_helpers import dtype_to_name
array_api_tests/dtype_helpers.py:138: in <module>
    all_dtypes = (xp.bool,) + numeric_dtypes
E   AttributeError: module 'mlx.core' has no attribute 'bool'

[asmeurer]

It works if you comment out the reporting import in conftest.py.