adding more testdata for iepc testcases

VectoCore/VectoCore/InputData/FileIO/JSON/JSONInputData.cs

...putData/Reader/Impl/EngineeringModeVectoRunDataFactory.cs

...ryElectric/GenericIEPC/Common/GenericBattery_243kWh.vbatr

...ryElectric/GenericIEPC/Common/GenericBattery_243kWh.vbatv

...ectric/GenericIEPC/Common/GenericBattery_243kWh_750V.vbat

...tData/BatteryElectric/GenericIEPC/Common/MaxCurrent.vimax

...a/BatteryElectric/GenericIEPC/Common/ShiftParameters.vtcu

...st/TestData/BatteryElectric/GenericIEPC/Common/Truck.vacc

.../BatteryElectric/GenericIEPC/GenericDrag_125kW_485Nm.vemd

...BatteryElectric/GenericIEPC/GenericEMotor_125kW_485Nm.vem

...atteryElectric/GenericIEPC/GenericEMotor_125kW_485Nm.vemp

...GenericIEPC/IEPC_Gbx3Speed+Axle/GenericIEPC_Gbx3Axl.viepc

.../GenericIEPC/IEPC_Gbx3Speed+Axle/IEPCVehicle_Gbx3Axl.vveh

...ic/GenericIEPC/IEPC_Gbx3Speed+Axle/IEPC_ENG_Gbx3Axl.vecto

...ric/GenericIEPC/IEPC_Gbx3Speed+Axle/IEPC_Gbx3Axl_1.viepco

...ric/GenericIEPC/IEPC_Gbx3Speed+Axle/IEPC_Gbx3Axl_2.viepco

...ric/GenericIEPC/IEPC_Gbx3Speed+Axle/IEPC_Gbx3Axl_3.viepco

...nericIEPC/IEPC_Gbx3Speed+Axle/IEPC_Gbx3Axl_FLD_max.viepcp

...nericIEPC/IEPC_Gbx3Speed+Axle/IEPC_Gbx3Axl_FLD_min.viepcp

.../GenericIEPC/IEPC_Gbx3Speed+Axle/IEPC_Gbx3Axl_drag.viepcd