async def METHOD_NAME(
    ccn_api_client, fixture_aggregate_messages: Sequence[MessageDb]
):
    """
    Tests the 'limit' query parameter.
    """
    assert fixture_aggregate_messages  # To avoid unused parameter warnings
    address, key = ADDRESS_1, "test_reference"
    aggregates = await get_aggregates_expect_success(
        ccn_api_client, address=address, keys=key, limit=1
    )
    assert aggregates["address"] == address
    assert aggregates["data"][key] == {"c": 3, "d": 4}