style(unit-tests): applying proper style

nas/test/test_msg.cpp

ngap/ngap_ies/CriticalityDiagnostics.cpp

ngap/ngap_ies/DrbStatusDl.cpp

ngap/ngap_ies/DrbStatusDl12.cpp

ngap/ngap_ies/DrbStatusUl.cpp

ngap/ngap_ies/DrbsSubjectToStatusTransferItem.cpp

ngap/ngap_ies/DrbsSubjectToStatusTransferList.cpp

ngap/ngap_ies/GlobalRanNodeId.cpp

ngap/ngap_ies/MessageType.cpp

ngap/ngap_ies/NgEnbId.cpp

ngap/ngap_ies/PduSessionResourceHandoverCommandTransfer.cpp

...ngap_ies/PduSessionResourceHandoverRequestAckTransfer.cpp

ngap/ngap_ies/PduSessionResourceHandoverRequiredTransfer.cpp

ngap/ngap_ies/PduSessionResourceSetupRequestTransfer.cpp

ngap/ngap_ies/PduSessionResourceSetupResponseTransfer.cpp

ngap/ngap_ies/RanStatusTransferTransparentContainer.cpp

ngap/ngap_msgs/AmfStatusIndication.cpp

ngap/ngap_msgs/DownlinkNasTransport.cpp

ngap/ngap_msgs/DownlinkNonUeAssociatedNrppaTransport.cpp

ngap/ngap_msgs/DownlinkRanStatusTransfer.cpp