Bulk create tests

from calibrate import Calibrate, BulkTestItem, ChatMessage

client = Calibrate(
    api_key="your_api_key",
)

client.tests.bulk_create(
    type="response",
    tests=[
        BulkTestItem(
            name="name",
            conversation_history=[
                ChatMessage(
                    role="user",
                )
            ],
        )
    ],
)