diff --git a/src/service/device_io_control_service_test.cpp b/src/service/device_io_control_service_test.cpp
index f168010..1cbbb4c 100644
--- a/src/service/device_io_control_service_test.cpp
+++ b/src/service/device_io_control_service_test.cpp
@@ -104,7 +104,6 @@ int DeviceIoControlServiceTest::heatingStrip_getcurrentValue() {
   return 0;
 }
 //
-int DeviceIoControlServiceTest::getChargingPump_PumpRPM() { return 0; }
 
 static bool drainingPump_state;
 void        DeviceIoControlServiceTest::drainingPump_open() {
@@ -116,28 +115,40 @@ void DeviceIoControlServiceTest::drainingPump_close() {
   drainingPump_state = false;
 }
 static bool replenishingFluidsPump_state;
+static int  replenishingFluidsPump_gpm;
 void        DeviceIoControlServiceTest::replenishingFluidsPump_open() {
   logger->info("replenishingFluidsPump_open");
   replenishingFluidsPump_state = true;
+  replenishingFluidsPump_gpm   = 20;
 }
 void DeviceIoControlServiceTest::replenishingFluidsPump_close() {
   logger->info("replenishingFluidsPump_close");
   replenishingFluidsPump_state = false;
+  replenishingFluidsPump_gpm   = 0;
 }
 
 void DeviceIoControlServiceTest::replenishingFluidsPump_open_for_test(int gpm) {
   logger->info("replenishingFluidsPump_open_for_test {}", gpm);
   replenishingFluidsPump_state = true;
+  replenishingFluidsPump_gpm   = gpm;
 }
 void DeviceIoControlServiceTest::replenishingFluidsPump_close_for_test() {
   logger->info("replenishingFluidsPump_close_for_test");
   replenishingFluidsPump_state = false;
+  replenishingFluidsPump_gpm   = 0;
 }
+int DeviceIoControlServiceTest::getChargingPump_PumpRPM() {
+  if (replenishingFluidsPump_state) {
+    return replenishingFluidsPump_gpm;
+  }
+  return 0;
+}
+
 /*******************************************************************************
  *                               sprayLiquidPump                               *
  *******************************************************************************/
 static bool sprayLiquidPump_state;
-static int sprayLiquidPump_gpm;
+static int  sprayLiquidPump_gpm;
 void        DeviceIoControlServiceTest::sprayLiquidPump_open(int gpm) {
   logger->info("sprayLiquidPump_open");
   sprayLiquidPump_state = true;