code: def testReal(self):
      (inputs, expected) = self.computeRealInput(6, 15)
      mux = Multiplexer(numberRealInputs=6)
      result = mux(
          inputs[0],
          inputs[1],
          inputs[2],
          inputs[3],
          inputs[4],
          inputs[5],
      )
  
      self.assertEqualMatrix(result, expected)
  
file_path: essentia/test/src/unittests/standard/test_multiplexer.py
imports: from essentia_test import *
label_desc: Use image node_id 4 for calling the TestMultiplexer obj's underlying member method code with example usage: obj.testReal() without return types