code: def testOnes(self):
      # Not a realistic test but useful for sanity checks/ regression checks.
      referenceTonic = 108.86
      tonic = TonicIndianArtMusic()(ones(1024))
      self.assertAlmostEqualFixedPrecision(tonic, referenceTonic, 2)
  
file_path: essentia/test/src/unittests/tonal/test_tonicindianartmusic.py
imports: from essentia_test import *
  from numpy import sin, float32, pi, arange, mean, log2, floor, ceil, math, concatenate
  import numpy
label_desc: Use image node_id 4 for calling the TestTonicIndianArtMusic obj's underlying member method code with example usage: obj.testOnes() without return types