Fix exeptions caused by closing the event loop before all tasks were …

…cancelled

src/speedtest_worker.py

@@ -18,6 +18,7 @@ def run(self):
         event_loop = asyncio.new_event_loop()
 
         event_loop.run_until_complete(self.run_async())
+
         event_loop.close()
 
     async def run_async(self):
@@ -29,6 +30,13 @@ async def run_async(self):
                 break
 
             await asyncio.sleep(0)
+
+        for task in asyncio.all_tasks():
+            task.cancel()
+            try:
+                await task
+            except asyncio.CancelledError:
+                pass
 
     async def do_run(self):
         try:

src/ui/views/test.blp

@@ -11,7 +11,7 @@ template $TestView : Box {
     Label title {
         label: bind template.server;
         margin-top: 8;
-        styles [ "title-2" ]
+        styles [ "title-3" ]
     }
 
     Box {