code: def test_gather_node_resource():
      node_res = gather_node_resource()
      band_res = node_res["numa-0"]
      assert band_res["cpu_total"] >= band_res["cpu_avail"]
      assert band_res["memory_total"] >= band_res["memory_avail"]
  
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 2 for calling a global function with example usage: test_gather_node_resource() without return types