code: def test_fibonacci_sphere():
      # Test that the number of points is correct
      points = fibonacci_sphere(n_points=724)
      nt.assert_equal(len(points), 724)
  
      # Test randomization
      points1 = fibonacci_sphere(n_points=100, randomize=True)
      points2 = fibonacci_sphere(n_points=100, randomize=True)
      with nt.assert_raises(AssertionError):
          nt.assert_array_equal(points1, points2)
  
      # Check for near closeness to 0
      nt.assert_almost_equal(
          np.mean(np.mean(points, axis=0)), 0, decimal=2
      )
  
imports: import numpy
  import numpy.testing
  import pytest
  import warnings
  from dipy.core.sphere import Sphere, HemiSphere, unique_edges, unique_sets, faces_from_sphere_vertices, disperse_charges, fibonacci_sphere, disperse_charges_alt, _get_forces, _get_forces_alt, unit_octahedron, unit_icosahedron, hemi_icosahedron
  from dipy.core.geometry import cart2sphere, vector_norm
  from dipy.core.sphere_stats import random_uniform_on_sphere
  from dipy.utils.optpkg import optional_package
label_desc: Use image node_id 22 for calling a global function with example usage: test_fibonacci_sphere() without return types