code: def test_empty_functions():
      test_console = TestOutput()
  
      print_stats(test_stats, functions=[], output=test_console)
  
      assert all(
          s in test_console.display_output
          for s in ["Mean", "Median", "Amin", "Amax", "feature_name"]
      )
  
file_path: neon/tests/test_print_stats.py
imports: import numpy
  import pytest
  from neon.benchmark import Benchmark
label_desc: Use image node_id 1 for calling a global function with example usage: test_empty_functions() without return types