EV Dashboard has a simulation mode. Download the simulation file and place the it at the root of the SD card on the GPS device. Then on the Setup tab check the Simulation check box and click connect. You can also rename the log file on your SD card and use
it as a simulation file.
HardyBMS option also has a simulator but the file format is different. hardybms_sim.csv is a short simulator for a 15 cell stack.