progress: rpm register based on trigger input being none or not (helping unit tests)

firmware/controllers/engine_controller.cpp

@@ -471,6 +471,10 @@ void commonInitEngineController() {
 	initLaunchControl();
 #endif
 
+#if EFI_UNIT_TEST
+	engine->rpmCalculator.Register();
+#endif /* EFI_UNIT_TEST */
+
 #if (EFI_ENGINE_CONTROL && EFI_SHAFT_POSITION_INPUT) || EFI_SIMULATOR || EFI_UNIT_TEST
 	if (engineConfiguration->isEngineControlEnabled) {
 		initAuxValves();