Index: tests/test_alarms.py
===================================================================
diff -u -r05176be46b1bcb2cd406be63b7888900b3086b67 -r5e834984727c1798784d95ae17f686cb8d72fdca
--- tests/test_alarms.py	(.../test_alarms.py)	(revision 05176be46b1bcb2cd406be63b7888900b3086b67)
+++ tests/test_alarms.py	(.../test_alarms.py)	(revision 5e834984727c1798784d95ae17f686cb8d72fdca)
@@ -16,8 +16,23 @@
 import sys
 sys.path.append("..")
 from dialin.hd.hemodialysis_device import HD
+from dialin.utils.base import AbstractObserver
 import time
 
+
+class Observer(AbstractObserver):
+
+    def __init__(self):
+        pass
+
+    def update(self, result):
+        print(result)
+
+        # Store the state
+
+    def check_something(self):
+        pass
+
 def test_disable_all_hd_alarms():
     """
     Disables all hd alarms
@@ -65,6 +80,10 @@
         'ALARM_ID_VALVE_CONTROL_FAILURE'
     ]
 
+    alarms_observer = Observer()
+
+    hd.alarms.attach(alarms_observer)
+
     if hd.cmd_log_in_to_hd():
         hd.ui.cmd_ui_request_hd_version()
         time.sleep(0.5)