Refactor tests and start work on database integration.

tests/api/routes/controller/test_appliances.py

@@ -17,10 +17,14 @@
 
 import pytest
 
+from fastapi import FastAPI, status
+from httpx import AsyncClient
 
-@pytest.mark.asyncio
-async def test_appliances_list(controller_api):
+pytestmark = pytest.mark.asyncio
 
-    response = await controller_api.get("/appliances/")
-    assert response.status_code == 200
-    assert len(response.json) > 0
+
+async def test_appliances_list(app: FastAPI, client: AsyncClient) -> None:
+
+    response = await client.get(app.url_path_for("get_appliances"))
+    assert response.status_code == status.HTTP_200_OK
+    assert len(response.json()) > 0