code: def test_nodes_to_replicas():
      max_replicas = nodes_to_replicas(
          n_cores_per_node=4, n_nodes=3, cpu_cores_per_replica=0.1
      )
      assert max_replicas == 60
  
label_desc: Use image node_id 3 for calling a global function with example usage: test_nodes_to_replicas() without return types