The node's display name is "Test_2" but its JetStream stream name (chosen by the operator, constrained to [A-Za-z0-9_-]+) is "Test2". NATS API calls target streamName, not the node's display name.
The node's display name is "Test_2" but its JetStream stream name (chosen by the operator, constrained to [A-Za-z0-9_-]+) is "Test2". NATS API calls target streamName, not the node's display name.