Handle unsupported input categories

[maximusunc]

Traceback (most recent call last):
File "/usr/local/bin/test-harness", line 33, in
sys.exit(load_entry_point('sri-test-harness', 'console_scripts', 'test-harness')())
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/app/test_harness/main.py", line 129, in cli
asyncio.run(main(vars(args)))
File "/usr/local/lib/python3.11/asyncio/runners.py", line 190, in run
return runner.run(main)
^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/asyncio/runners.py", line 118, in run
return self._loop.run_until_complete(task)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/asyncio/base_events.py", line 653, in run_until_complete
return future.result()
^^^^^^^^^^^^^^^
File "/app/test_harness/main.py", line 51, in main
report = await run_tests(reporter, slacker, tests, logger, args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/app/test_harness/run.py", line 57, in run_tests
query_responses, normalized_curies = await query_runner.run_queries(test)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/app/test_harness/runner/query_runner.py", line 99, in run_queries
query = generate_query(test_asset)
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/app/test_harness/runner/generate_query.py", line 91, in generate_query
raise Exception("Unsupported input category.")
Exception: Unsupported input category.

[maximusunc]

Handled by #29