code: def test_gather_node_env():
      node_env = gather_node_env()
      band_data = node_env["bands"]["numa-0"]
      assert band_data["resources"]["cpu"] > 0
      assert band_data["resources"]["memory"] > 0
  
imports: import os
  import time
  from ..None import DiskInfo
  from ..gather import gather_node_env, gather_node_resource, gather_node_details
label_desc: Use image node_id 1 for calling a global function with example usage: test_gather_node_env() without return types