Fix failing test

Author: dmontagu

tests/evals/test_dataset.py

@@ -763,6 +763,7 @@ async def my_task(inputs: TaskInput) -> TaskOutput:
             'my chat span',
             **{  # type: ignore
                 'gen_ai.operation.name': 'chat',
+                'gen_ai.request.model': 'gpt-5-mini',
                 'gen_ai.usage.input_tokens': 1,
                 'gen_ai.usage.details.special_tokens': 2,
                 'other_attribute': 3,