code: def test_mergeds():
      ds = [{"a": 2}, {"b": 3}, {"a": 1}, {"c": 0}, {"b": 5}, {"a": 3}]
      assert mergeds(ds) == {"a": [2, 1, 3], "b": [3, 5], "c": [0]}
  
file_path: icevision/tests/utils/test_utils.py
imports: from icevision.all import *
  from icevision.core.record_components import LossesRecordComponent
label_desc: Use image node_id 6 for calling a global function with example usage: test_mergeds() without return types