code: def test_action_graph_service_get_by_verify_key(
      worker: Worker,
      in_mem_action_graph_service: ActionGraphService,
  ) -> None:
      verify_key: SyftVerifyKey = SyftSigningKey.generate().verify_key
      verify_key_2: SyftVerifyKey = SyftSigningKey.generate().verify_key
      assert verify_key_2 != verify_key
      authed_context = AuthedServiceContext(
          credentials=verify_key, node=worker
      )
      authed_context_2 = AuthedServiceContext(
          credentials=verify_key_2, node=worker
      )
      action_obj = ActionObject.from_obj([1, 2, 3])
      action_obj_2 = ActionObject.from_obj([2, 3, 4])
      node_1 = in_mem_action_graph_service.add_action_obj(
          context=authed_context, action_obj=action_obj
      )
      node_2 = in_mem_action_graph_service.add_action_obj(
          context=authed_context_2, action_obj=action_obj_2
      )
  
      assert (
          in_mem_action_graph_service.get_by_verify_key(
              authed_context, verify_key
          )[0]
          == node_1.id
      )
  
      assert (
          in_mem_action_graph_service.get_by_verify_key(
              authed_context_2, verify_key_2
          )[0]
          == node_2.id
      )
  
imports: from syft.node.credentials import SyftSigningKey
  from syft.node.credentials import SyftVerifyKey
  from syft.node.worker import Worker
  from syft.service.action.action_graph import ExecutionStatus
  from syft.service.action.action_graph import InMemoryActionGraphStore
  from syft.service.action.action_graph import NetworkXBackingStore
  from syft.service.action.action_graph import NodeActionData
  from syft.service.action.action_graph import NodeActionDataUpdate
  from syft.service.action.action_graph import NodeType
  from syft.service.action.action_graph_service import ActionGraphService
  from syft.service.action.action_object import Action
  from syft.service.action.action_object import ActionObject
  from syft.service.context import AuthedServiceContext
  from syft.service.response import SyftError
  from syft.service.response import SyftSuccess
  from syft.types.datetime import DateTime
  from syft.types.uid import UID
label_desc: Use image node_id 8 for calling a global function with example usage: test_action_graph_service_get_by_verify_key(worker, in_mem_action_graph_service) without return types