Test dependencies should not be required at collection time

[berquist]

$ python -m pytest -k 'pyscf' test
==================================================================================================================================================================================== test session starts =====================================================================================================================================================================================
platform linux -- Python 3.11.6, pytest-7.4.4, pluggy-1.3.0
rootdir: /home/eric/development/cclib_berquist
configfile: pytest.ini
collected 148 items / 1 error / 148 deselected / 0 selected

=========================================================================================================================================================================================== ERRORS ===========================================================================================================================================================================================
____________________________________________________________________________________________________________________________________________________________________________ ERROR collecting test/test_bridge.py ____________________________________________________________________________________________________________________________________________________________________________
ImportError while importing test module '/home/eric/development/cclib_berquist/test/test_bridge.py'.
Hint: make sure your test modules/packages have valid Python names.
Traceback:
/usr/lib/python3.11/importlib/__init__.py:126: in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
test/test_bridge.py:20: in <module>
    from .bridge.testase import *
test/bridge/testase.py:19: in <module>
    raise ImportError("Must install ase to run this test")
E   ImportError: Must install ase to run this test