code: def test_set_delay(self):
      val = 256
      self.o.set_delay(val)
      assert_equal(self.o.get_delay(), val)
  
imports: from unittest import main
  from numpy.testing import TestCase, assert_equal, assert_almost_equal
  import aubio
label_desc: Use image node_id 3 for calling the aubio_tempo_params obj's underlying member method code with example usage: obj.test_set_delay() without return types