python3 -m fmpy simulate  --output-file ModelicaTest_trunk_ModelicaTest.Fluid.TestComponents.Fittings.TestMultiPortTraceSubstances_res.csv --start-time 0 --stop-time 1.01 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 0.000404 ModelicaTest_trunk_ModelicaTest_Fluid_TestComponents_Fittings_TestMultiPortTraceSubstances.fmu