Test 1: Checking if results.json exists and is valid...
SUCCESS: results.json exists!
SUCCESS: results.json is valid JSON!
Traceback (most recent call last):
  File "<string>", line 4, in <module>
    assert 'classifications' in data, 'Missing classifications key'
           ^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: Missing classifications key
ERROR: results.json has invalid structure!