code: def test_predict_proba(
      self, estimator, X_train, y_train, X_test, expected, atol
  ):
      estimator.fit(X_train, y_train)
  
      proba = estimator.predict_proba(X_test)
      self.assertAllClose(proba, expected, atol=atol)
  
imports: from geomstats.test.test_case import TestCase
label_desc: Use image node_id 2 for calling the KernelDensityEstimationClassifierTestCase obj's underlying member method code with example usage: obj.test_predict_proba(estimator, X_train, y_train, X_test, expected, atol) without return types