Index: tst_main_treatment_ultrafilteration/test.py
===================================================================
diff -u -rb078be060d45e68951c8352e102385d8c4d6e938 -rf13de43f74b969498ae3983112a139634d71d68f
--- tst_main_treatment_ultrafilteration/test.py	(.../test.py)	(revision b078be060d45e68951c8352e102385d8c4d6e938)
+++ tst_main_treatment_ultrafilteration/test.py	(.../test.py)	(revision f13de43f74b969498ae3983112a139634d71d68f)
@@ -44,6 +44,7 @@
     @param uf_state: (int) ultrafiltration state to be set.
     @return: N/A
     """
+    utils.waitForGUI(1)
     min_uf = ultrafiltration_range["uf_minimum"]
     max_uf = ultrafiltration_range["uf_maximum"]
     #FIXME : ultrafiltration minimum range from progressbar is not changing based on simulator input