Index: tst_Treatment_Adjustment_BloodDialysate/test.py
===================================================================
diff -u -r40568c277aa2c01963d0f3f9da41748c2686d343 -r929c42f19c662c57ae264d200658fb1690353008
--- tst_Treatment_Adjustment_BloodDialysate/test.py	(.../test.py)	(revision 40568c277aa2c01963d0f3f9da41748c2686d343)
+++ tst_Treatment_Adjustment_BloodDialysate/test.py	(.../test.py)	(revision 929c42f19c662c57ae264d200658fb1690353008)
@@ -13,7 +13,7 @@
 #
 
 import names
-import time
+import utils
 import denaliMessages
 
 def gotoScreenNtest_Contains_FlowsSection():
@@ -28,13 +28,13 @@
     startApplication("denaliSquish")
     
     gotoScreenNtest_Contains_FlowsSection()
-    time.sleep(1)
+    utils.waitForGUI(1)
     
     denaliMessages.setTreatmentBloodFlowRate(175)
     denaliMessages.setTreatmentDialysateFlowRate(250)
 
     gotoScreenNTest_Contains_Ranges()
-    time.sleep(1)
+    utils.waitForGUI(1)
     
     denaliMessages.setTreatmentParamRanges(0, 0, 0, 0, 150, 550)
     denaliMessages.send_acknowledge_UI()
@@ -44,12 +44,22 @@
 
     test.compare(waitForObjectExists(names.o_bloodFlowSlider_Slider).value, 225)
     test.compare(waitForObjectExists(names.o_dialysateFlowSlider_Slider).value, 200)
+    
+    # sendTreatmentAdjustBloodDialysateRequest
     mouseClick(waitForObject(names.o_TouchRect))
-
-    denaliMessages.sendTreatmentAdjustBloodDialysateResponse(0, 3, 175, 250)
+    denaliMessages.waitForMessageToBeSent()
+    utils.waitForGUI(7) # wait for ack timeout 5 is the timeout added +2 Sec for safe range.
     
-    time.sleep(2)
+    # sendTreatmentAdjustBloodDialysateRequest again
+    mouseClick(waitForObject(names.o_TouchRect))
+    denaliMessages.waitForMessageToBeSent()
+    denaliMessages.send_acknowledge_HD()
     
+    denaliMessages.sendTreatmentAdjustBloodDialysateResponse(0, 3, 125, 150) # coverage
+    denaliMessages.sendTreatmentAdjustBloodDialysateResponse(0, 3, 125, 150) # coverage
+    denaliMessages.sendTreatmentAdjustBloodDialysateResponse(0, 3, 175, 250)
+    utils.waitForGUI(2)
+    
     mouseClick(waitForObject(names.o_bloodFlowSlider_Slider), 190, 4, Qt.LeftButton)
     mouseClick(waitForObject(names.o_dialysateFlowSlider_Slider), 79, 5, Qt.LeftButton)
     
@@ -60,13 +70,9 @@
                                                              waitForObjectExists(names.o_bloodFlowSlider_Slider).value, 
                                                              waitForObjectExists(names.o_dialysateFlowSlider_Slider).value
                                                              )
-
-    time.sleep(1)
-    
     denaliMessages.setTreatmentBloodFlowRate(225)
     denaliMessages.setTreatmentDialysateFlowRate(200)
     
     test.compare(str(waitForObjectExists(names.o_treatmentStart_225_Text).text), "225")
     test.compare(str(waitForObjectExists(names.o_treatmentStart_200_Text).text), "200")
-    time.sleep(1)