code: def es(self):
      es = make_ecommerce_entityset()
      return es
  
file_path: featuretools/featuretools/tests/primitive_tests/utils.py
imports: from inspect import signature
  import pytest
  from featuretools import FeatureBase, calculate_feature_matrix, dfs, encode_features, list_primitives, load_features, save_features
  from featuretools.primitives.base import AggregationPrimitive, PrimitiveBase
  from featuretools.tests.testing_utils import make_ecommerce_entityset
label_desc: Use image node_id 1 for calling the PrimitiveTestBase obj's underlying member method code with example usage: obj.es() and returns: es