google.adk.evaluation.eval_config.EvalConfig
https://github.com/google/adk-python/blob/v1.23.0/src/google/adk/evaluation/eval_config.py#L71
test_config.jsonのスキーマ
criteria: dict[str, Union[Threshold, BaseCriterion]]
custom_metrics
v1.23.0から
https://github.com/google/adk-python/commit/6d2f33a59cfba358dd758378290125fc2701c411
https://github.com/google/adk-python/commit/ea0934b9934c1fefd129a1026d6af369f126870e
If a metric name in criteria is also present in custom_metrics, the code_config in CustomMetricConfig will be used to locate the custom metric implementation.
google.adk.evaluation.eval_config.CustomMetricConfig
user_simulator_config