code: def test_create_event_segmentation():
      es = EventSegment(5)
      assert es, "Invalid EventSegment instance"
  
file_path: brainiak/tests/eventseg/test_event.py
imports: from brainiak.eventseg.event import EventSegment
  from scipy.special import comb
  import numpy
  import pytest
  from sklearn.exceptions import NotFittedError
label_desc: Use image node_id 1 for calling a global function with example usage: test_create_event_segmentation() without return types