Data Services accept a custom HTTP header
The possible values of the header are
CloverDX Server accepts them case insensitively.
This header overrides the endpoint's configuration to save the run record or not.
Testing and Documentation page now automatically sends the header with value set to true. This means that all invocations from Testing and Documentation page are saved to the Execution History.
Testing Data Service from Designer creates a record in Execution History regardless of it being published or not.