code: def testFixSeed(self):
      a = NoiseAdder(fixSeed=True)(zeros(10))
      b = NoiseAdder(fixSeed=True)(zeros(10))
      self.assertEqualVector(a, b)
  
      a = NoiseAdder(fixSeed=False)(zeros(10))
      b = NoiseAdder(fixSeed=False)(zeros(10))
      for i in range(10):
          self.assertNotEqual(a[i], b[i])
  
imports: from essentia_test import *
label_desc: Use image node_id 5 for calling the TestNoiseAdder obj's underlying member method code with example usage: obj.testFixSeed() without return types