Update test result generator script to set duration to 0

The actual code in testlib now indents the duration tag when it is for a
function.

Change-Id: Iee62db9c81f11dc54e57f166bf9fb2b7012b7e03
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>

tests/auto/testlib/selftests/generate_expected_output.py

@@ -57,7 +57,7 @@ isWindows = sys.platform == 'win32'
 replacements = [
     (qtver, r'@INSERT_QT_VERSION_HERE@'),
     (rootPath.encode('unicode-escape').decode('utf-8'), r''),
-    (r'<Duration msecs="\d+"/>', r'<Duration msecs="0"/>'),
+    (r'( *)<Duration msecs="[\d\.]+"/>', r'\1<Duration msecs="0"/>'),
 ]
 
 extraArgs = {