Squish: Fix to make selectFromLocator("simple_test_app.cpp") work.

Change-Id: Id853f58cc3e564a71af768c54c36d731a3be25da
Reviewed-by: Christian Stenger <christian.stenger@nokia.com>

tests/system/shared/utils.py

@@ -62,7 +62,7 @@ def selectFromCombo(objectSpec, itemName):
 def selectFromLocator(filter, itemName = None):
     if itemName == None:
         itemName = filter
-    itemName = itemName.replace(".", "\\.")
+    itemName = itemName.replace(".", "\\.").replace("_", "\\_")
     locator = waitForObject(":*Qt Creator_Utils::FilterLineEdit", 20000)
     mouseClick(locator, 5, 5, 0, Qt.LeftButton)
     replaceEditorContent(locator, filter)