code: def sparse_test_data(nn_data, binary_nn_data):
      return sparse.csr_matrix(nn_data * binary_nn_data)
  
imports: import pytest
  import numpy
  from scipy import sparse
  from sklearn.datasets import load_iris
  from umap import UMAP, AlignedUMAP
label_desc: Use image node_id 13 for calling a global function with example usage: sparse_test_data(nn_data, binary_nn_data) and returns: sparse