code: def ephemeral_storage():
      storage = {"type": "legacy", "database": {"type": "EphemeralDB"}}
      with OrionState(storage=storage) as cfg:
          yield cfg
  
imports: import pytest
  from falcon import testing
  from orion.serving.webapi import WebApi
  from orion.testing import OrionState
label_desc: Use image node_id 1 for calling a global function with example usage: ephemeral_storage() without return types