ENTSO-E | Missing required ids parameter when fetching data as defined in test variables

[ralupopa]

1. Create dataProduct with translator URL https://connector.oftrust.dev/translator/v1/fetch and public key https://connector.oftrust.dev/translator/v1/public.key
2. Fetch dataProduct through Broker API https://api-test.oftrust.net/broker/v1/fetch-data-product using body as defined in variables from https://github.com/PlatformOfTrust/multi-connector/blob/master/robottests/connectors/entsoe/connector_tests.robot

Result
Translator returns status 422 and message Missing data for required field.

Wanted
If parameters ids is not required parameter when fetching data from ENTSO-E data source, then have success response.
If connector tests need some update in variables please update so that request body contains all that is required by connector in order to return data from this data source