code: def test_get_per_node_breakdown_as_dict(self):
      result = get_per_node_breakdown_as_dict(self.lm_summary_mock)
  
      expected_output = {
          "e9919752e5e8d757765d97d8bec910a2e78e8826f20bce46fd58f92e": (
              "0.0/8.0 CPU\n0B/26.05GiB memory\n0B/13.02GiB object_store_memory"
          )
      }
  
      self.assertEqual(result, expected_output)
  
file_path: ray/python/ray/tests/autoscaler/util.py
imports: import unittest
  from unittest.mock import Mock
  from ray.autoscaler._private.util import get_per_node_breakdown_as_dict
label_desc: Use image node_id 2 for calling the TestGetPerNodeBreakdown obj's underlying member method code with example usage: obj.test_get_per_node_breakdown_as_dict() without return types