text: from fastapi.testclient import TestClient
  from tradingsignal.service import server
  
  app = server.create_app()
  client = TestClient(app)
  
  
  def test_root():
      response = client.get("/")
      print(response.text)
      assert response.status_code == 200
      assert response.json().startswith("Hello from TradingSignal Version:")
  