class_docstr: Tests for AsanaHook Asana client retrieval
code: def test_backcompat_prefix_works(self, uri):
      with patch.dict(os.environ, {"AIRFLOW_CONN_MY_CONN": uri}):
          hook = AsanaHook("my_conn")
          assert hook.workspace == "abc"
          assert hook.project == "abc"
  
imports: from __future__ import annotations
  import os
  from unittest.mock import patch
  import pytest
  from asana import Client
  from airflow.models import Connection
  from airflow.providers.asana.hooks.asana import AsanaHook
label_desc: Use image node_id 16 for calling the TestAsanaHook obj's underlying member method code with example usage: obj.test_backcompat_prefix_works(uri) without return types