selenium: fix def start never awaited

automon/integrations/seleniumWrapper/browser.py

@@ -601,7 +601,7 @@ async def set_window_position(self, x: int = 0, y: int = 0):
 
     async def start(self):
         """alias to run"""
-        return self.run()
+        return await self.run()
 
     async def wait_for(
             self,