Squish: Updated check for new, more detailed warning

Change-Id: I55b470db573aaca679df9cb1e89511b858683214
Reviewed-by: Christian Stenger <christian.stenger@nokia.com>

tests/system/shared/debugger.py

@@ -20,7 +20,9 @@ def handleDebuggerWarnings(config):
     else:
         if "Release" in config and platform.system() != "Darwin":
             message = waitForObject("{container=':Qt Creator.DebugModeWidget_QSplitter' name='qt_msgbox_label' type='QLabel' visible='1'}", 20000)
-            test.compare(message.text, "This does not seem to be a \"Debug\" build.\nSetting breakpoints by file name and line number may fail.")
+            messageText = str(message.text)
+            test.verify(messageText.startswith('This does not seem to be a "Debug" build.\nSetting breakpoints by file name and line number may fail.'),
+                        "Got warning: %s" % messageText)
             clickButton("{container=':Qt Creator.DebugModeWidget_QSplitter' text='OK' type='QPushButton' unnamed='1' visible='1'}")
 
 def takeDebuggerLog():