Index: tst_create_custom_treatment/test.py
===================================================================
diff -u -raf22e3fb520aa7bbd3a3115741492ace452dba28 -r2658e746dd531e49c0bc00e871b44368f99bf047
--- tst_create_custom_treatment/test.py	(.../test.py)	(revision af22e3fb520aa7bbd3a3115741492ace452dba28)
+++ tst_create_custom_treatment/test.py	(.../test.py)	(revision 2658e746dd531e49c0bc00e871b44368f99bf047)
@@ -288,7 +288,7 @@
     width_buffer = slider_parameter[2]
     slider_width = ((value - minimum_slider_value)/slider_buffer) * width_buffer
     utils.waitForGUI(0.2)
-    mouseClick(findObject(slider_object), float(slider_width) , 3, Qt.LeftButton)
+    mouseClick(waitForObjectExists(slider_object), float(slider_width) , 3, Qt.LeftButton)
     
     test.compare(waitForObjectExists(slider_object).value, value, str(parameter)+" slider value should set to"+str(value))