PIM testing: better timeFunction()

The function now keeps the event loop running while waiting for
completion. That ensures that events get received immediately.

testpim.py now matches the po scanning process because of the _(' text
pattern. We need to exclude it explicitly.

po/POTFILES.skip

@@ -1,3 +1,4 @@
 src/gtk-ui/ui.xml
 src/gtk-ui/gtkinfobar.c
 src/synthesis/src/pcre/pcre_compile.c
+src/dbus/server/pim/testpim.py

src/dbus/server/pim/testpim.py

@@ -63,9 +63,15 @@ import testdbus
 
 def timeFunction(func, *args1, **args2):
      start = time.time()
-     res = func(*args1, **args2)
+     res = { }
+     args2['reply_handler'] = lambda x: (res.__setitem__('okay', x), loop.quit())
+     args2['error_handler'] = lambda x: (res.__setitem__('failed', x), loop.quit())
+     func(*args1, **args2)
+     loop.run()
      end = time.time()
-     return (end - start, res)
+     if 'failed' in res:
+          raise res['failed']
+     return (end - start, res['okay'])
 
 @unittest.skip("not a real test")
 class ContactsView(dbus.service.Object, unittest.TestCase):