code: def client_with_frontends_uri(ephemeral_storage):
      """Mock the falcon.API instance for testing with custom frontend_uri"""
      yield testing.TestClient(
          WebApi(
              ephemeral_storage.storage,
              {
                  "storage": ephemeral_storage.storage,
                  "frontends_uri": [
                      "http://123.456",
                      "http://example.com",
                  ],
              },
          )
      )
  
imports: import pytest
  from falcon import testing
  from orion.serving.webapi import WebApi
  from orion.testing import OrionState
label_desc: Use image node_id 3 for calling a global function with example usage: client_with_frontends_uri(ephemeral_storage) without return types