code: def test_hdbscan_dbscan_clustering():
      clusterer = HDBSCAN().fit(X)
      labels = clusterer.dbscan_clustering(0.3)
      n_clusters_1 = len(set(labels)) - int(-1 in labels)
      assert n_clusters == n_clusters_1
  
imports: import numpy
  from scipy.spatial import distance
  from scipy import sparse
  from scipy import stats
  from sklearn.utils.estimator_checks import check_estimator
  from sklearn.utils._testing import assert_array_equal, assert_array_almost_equal, assert_raises
  from hdbscan import HDBSCAN, hdbscan, validity_index, approximate_predict, approximate_predict_scores, membership_vector, all_points_membership_vectors
  from sklearn.datasets import make_blobs
  from sklearn.utils import shuffle
  from sklearn.preprocessing import StandardScaler
  from scipy.stats import mode
  from tempfile import mkdtemp
  from functools import wraps
  import pytest
  from sklearn import datasets
  import warnings
label_desc: Use image node_id 15 for calling a global function with example usage: test_hdbscan_dbscan_clustering() without return types