code: def test_featurecast():
      data = np.array([[1, 2, 3]])
      X_t = preprocessing.FeatureCast(cast_type=float).fit_transform(
          data
      )
      assert isinstance(X_t[0][0], np.float64)
  
file_path: sk-dist/skdist/tests/test_preprocessing.py
label_desc: Use image node_id 4 for calling a global function with example usage: test_featurecast() without return types