code: def test_invalid_name_from_str():
      replica_suffix = get_random_string()
  
      replica_tag = f"DeploymentA##{replica_suffix}"
      with pytest.raises(AssertionError):
          ReplicaName.from_str(replica_tag)
  
      # No prefix
      replica_tag = f"DeploymentA#{replica_suffix}"
      with pytest.raises(AssertionError):
          ReplicaName.from_str(replica_tag)
  
imports: import time
  import pytest
  from ray.serve._private.common import ApplicationStatus, ApplicationStatusInfo, DeploymentStatus, DeploymentStatusInfo, DeploymentStatusTrigger, ReplicaName, RunningReplicaInfo, StatusOverview
  from ray.serve._private.utils import get_random_string
  from ray.serve.generated.serve_pb2 import ApplicationStatusInfo
  from ray.serve.generated.serve_pb2 import DeploymentStatusInfo
  from ray.serve.generated.serve_pb2 import StatusOverview
label_desc: Use image node_id 3 for calling a global function with example usage: test_invalid_name_from_str() without return types