Avoid waiting before first queued message

tfw/components/frontend/message_queue_handler/message_queue_handler.py

@@ -17,8 +17,8 @@ class MessageQueueHandler:
         for message in iter(self._queue.get, None):
             wpm = message['wpm'] if 'wpm' in message else self.wpm
             cps = 5 * wpm / 60
-            sleep(len(message['message']) / cps)
             self.connector.send_message(message)
+            sleep(len(message['message']) / cps)
 
     def handle_event(self, message, _):
         for unpacked in self._generate_messages_from_queue(message):

tfw/components/frontend/message_queue_handler/test_message_queue.py

@@ -60,7 +60,7 @@ def test_message_order(handler, queue):
 def test_wpm(handler, queue):
     handler.wpm = 10000
     handler.connector.raise_event(queue)
-    assert not handler.connector.messages
+    assert len(handler.connector.messages) == 1
     handler.wpm = 100000000
     handler.connector.raise_event(queue)
     sleep(0.25)