SYS-DDM302-01 Update master data - grid owner

Test ID	SYS-DDM302-01
Description	Update master data - grid owner Update any element in MeteringPointCharacteristic on the metering point
BRS's	BRS-NO-302
Roles	DDM
Preconditions	Metering point should have metering point status E22 (active) in Elhub
Postconditions	MeteringPointCharacteristic on the metering point has been updated
Optional/Mandatory	Mandatory
Test steps	Expected Result
Send BRS-NO-302 to Elhub Message: RequestUpdateMasterDataMeteringPoint Document type: E58	Request is successfully sent
2. Receive Acknowledgement to DDM (optional) Document type: 294	Acknowledgement is received to DDM
3. Verify that DDM's system is updated correctly	MeteringPointCharacteristic on the metering point has been updated