code: def test_ect(self, device: str):
      self.X = self.X.to(device)
      self.Y = self.Y.to(device)
      self.AB = self.AB.to(device)
  
      ect = EmbeddingCoherenceTest()
      test_ect_score = ect(self.X, self.Y, self.AB)
      assert test_ect_score.item() == pytest.approx(0.800, rel=1e-4)
  
imports: import pytest
  import torch
  import json
  import math
  import numpy
  from allennlp.common.checks import ConfigurationError
  from allennlp.common.testing import AllenNlpTestCase, multi_device, global_distributed_metric, run_distributed_test
  from allennlp.fairness.bias_metrics import WordEmbeddingAssociationTest, EmbeddingCoherenceTest, NaturalLanguageInference, AssociationWithoutGroundTruth
label_desc: Use image node_id 4 for calling the EmbeddingCoherenceTestTest obj's underlying member method code with example usage: obj.test_ect(device) without return types