Break up websocket 2 (#17028)

* Break up websocket 2

* Lint+Test

* Lintttt

* Rename

tests/components/websocket_api/test_init.py

@@ -5,14 +5,14 @@ from unittest.mock import patch, Mock
 from aiohttp import WSMsgType
 import pytest
 
-from homeassistant.components import websocket_api as wapi
 from homeassistant.components.websocket_api import const, commands, messages
 
 
 @pytest.fixture
 def mock_low_queue():
     """Mock a low queue."""
-    with patch.object(wapi, 'MAX_PENDING_MSG', 5):
+    with patch('homeassistant.components.websocket_api.http.MAX_PENDING_MSG',
+               5):
         yield