code: def test_nureg_determine():
      from brainiak.reprsimil.brsa import Ncomp_SVHT_MG_DLD_approx
      import numpy as np
  
      x = (
          np.dot(np.random.randn(100, 5), np.random.randn(5, 40))
          + np.random.randn(100, 40) * 0.01
      )
      ncomp = Ncomp_SVHT_MG_DLD_approx(x)
      assert (
          ncomp >= 3 and ncomp <= 8
      ), "recovered number of components should be in a reasonable range"
  
imports: import pytest
label_desc: Use image node_id 4 for calling a global function with example usage: test_nureg_determine() without return types