Index: tests/test_hd_simulator.py
===================================================================
diff -u -rc3cc81dada72714b9675594cc0c6a79975e8991d -r56f9771ad247938a890639f3cf5220076ab49157
--- tests/test_hd_simulator.py	(.../test_hd_simulator.py)	(revision c3cc81dada72714b9675594cc0c6a79975e8991d)
+++ tests/test_hd_simulator.py	(.../test_hd_simulator.py)	(revision 56f9771ad247938a890639f3cf5220076ab49157)
@@ -83,11 +83,37 @@
     sleep(1)
     hd_simulator.alarms.cmd_send_clear_alarms()
 
+def test_valid_parameters():
+    hd_simulator = HDSimulator(log_level="DEBUG")
 
+    rejections = [
+        RequestRejectReasons.REQUEST_REJECT_REASON_NONE,  # overall response
+        RequestRejectReasons.REQUEST_REJECT_REASON_NONE,  # blood flow
+        RequestRejectReasons.REQUEST_REJECT_REASON_NONE,  # dialysate flow
+        RequestRejectReasons.REQUEST_REJECT_REASON_NONE,  # duration
+        RequestRejectReasons.REQUEST_REJECT_REASON_NONE,  # heparin dispensing rate
+        RequestRejectReasons.REQUEST_REJECT_REASON_NONE,  # heparin bolus volume
+        RequestRejectReasons.REQUEST_REJECT_REASON_NONE,  # heparin stop time
+        RequestRejectReasons.REQUEST_REJECT_REASON_NONE,  # saline bolus
+        RequestRejectReasons.REQUEST_REJECT_REASON_NONE,  # acid concentrate
+        RequestRejectReasons.REQUEST_REJECT_REASON_NONE,  # bicarbonate concentrate
+        RequestRejectReasons.REQUEST_REJECT_REASON_NONE,  # dialyzer type
+        RequestRejectReasons.REQUEST_REJECT_REASON_NONE,  # dialysate temperature
+        RequestRejectReasons.REQUEST_REJECT_REASON_NONE,  # arterial pressure limit low
+        RequestRejectReasons.REQUEST_REJECT_REASON_NONE,  # arterial pressure limit high
+        RequestRejectReasons.REQUEST_REJECT_REASON_NONE,  # venous pressure limit low
+        RequestRejectReasons.REQUEST_REJECT_REASON_NONE,  # venous pressure limit high
+        RequestRejectReasons.REQUEST_REJECT_REASON_NONE,  # blood pressure measurement interval
+        RequestRejectReasons.REQUEST_REJECT_REASON_NONE,  # rinseback flow rate
+    ]
+    hd_simulator.cmd_send_treatment_parameter_validation_response(rejections)
+
+
 if __name__ == '__main__':
     # test_clear_alarms()
-    sleep(1)
-    test_poweroff()
+    # sleep(1)
+    # test_poweroff()
+    test_valid_parameters()