code: def test_direct_with_single_possible_path(es):
      feat = DirectFeature(
          IdentityFeature(es["customers"].ww["age"]), "sessions"
      )
      assert feat.relationship_path_name() == "customers"
      assert feat.get_name() == "customers.age"
  
imports: import numpy
  import pandas
  import pytest
  from woodwork.column_schema import ColumnSchema
  from woodwork.logical_types import Datetime
  from featuretools.computational_backends.feature_set import FeatureSet
  from featuretools.computational_backends.feature_set_calculator import FeatureSetCalculator
  from featuretools.feature_base import DirectFeature, Feature, IdentityFeature
  from featuretools.primitives import AggregationPrimitive, Day, Hour, Minute, Month, NMostCommon, Second, TransformPrimitive, Year
  from featuretools.primitives.utils import PrimitivesDeserializer
  from featuretools.synthesis import dfs
  from featuretools.tests.testing_utils import to_pandas
  from featuretools.utils.gen_utils import Library
label_desc: Use image node_id 10 for calling a global function with example usage: test_direct_with_single_possible_path(es) without return types