code: def test_fast_abs_percentile(rng):
      data = np.arange(100)
      rng.shuffle(data)
      for p in data:
          assert fast_abs_percentile(data, p) == p
  
imports: import numpy
  from nilearn._utils.extmath import fast_abs_percentile, is_spd
label_desc: Use image node_id 1 for calling a global function with example usage: test_fast_abs_percentile(rng) without return types