--- set_cmd_units -time ns -capacitance pF -resistance kOhm ---
--- report_units ---
 time 1ns
 capacitance 1pF
 resistance 1kohm
 voltage 1v
 current 1A
 power 1W
 distance 1m
--- set_cmd_units -time ps -capacitance fF ---
--- report_units after change ---
 time 1ps
 capacitance 1fF
 resistance 1kohm
 voltage 1v
 current 1A
 power 1W
 distance 1m
--- set_cmd_units -voltage mV ---
--- set_cmd_units -current uA ---
--- set_cmd_units -distance um ---
--- report_units after all changes ---
 time 1ps
 capacitance 1fF
 resistance 1kohm
 voltage 1mv
 current 1uA
 power 1W
 distance 1um
--- elapsed_run_time ---
--- user_run_time ---
--- log_begin / log_end ---
test log entry from util_commands
--- suppress_msg / unsuppress_msg ---
--- suppress_msg single ---
--- with_output_to_variable ---
captured output length: 95
--- with_output_to_variable second call ---