code: def test_fix_connected_components_connectivity_mode():
      # Test that the connectivity mode fill new connections with ones.
      X = np.array([0, 1, 6, 7])[:, None]
      graph = kneighbors_graph(X, n_neighbors=1, mode="connectivity")
      n_connected_components, labels = connected_components(graph)
      graph = _fix_connected_components(
          X, graph, n_connected_components, labels, mode="connectivity"
      )
      assert np.all(graph.data == 1)
  
file_path: scikit-learn/sklearn/utils/tests/test_graph.py
imports: import numpy
  import pytest
  from scipy.sparse.csgraph import connected_components
  from sklearn.metrics.pairwise import pairwise_distances
  from sklearn.neighbors import kneighbors_graph
  from sklearn.utils.graph import _fix_connected_components
label_desc: Use image node_id 4 for calling a global function with example usage: test_fix_connected_components_connectivity_mode() without return types