Pytest suite. No Amazon Linux installation or network access needed; every input file is in this directory.

pip install -e ".[test]"
pytest

• test_supportinfo.py — tests for both the legacy and 1.0 schema handlers.
• files/xmls/ — sample support_info.xml documents. Some are valid; some are deliberately broken so we can check error handling.
• files/xsds/ — extra XSDs used to test that callers can pass a custom schema path to the handler.