code: def testRealVector(self):
      inputReals, inputVectors, expected = self.computeRealVectorInput(
          6, 15, 3
      )
      mux = Multiplexer(numberRealInputs=3, numberVectorRealInputs=6)
      result = mux(
          inputReals[0],
          inputReals[1],
          inputReals[2],
          inputVectors[0],
          inputVectors[1],
          inputVectors[2],
          inputVectors[3],
          inputVectors[4],
          inputVectors[5],
      )
  
file_path: essentia/test/src/unittests/standard/test_multiplexer.py
imports: from essentia_test import *
label_desc: Use image node_id 8 for calling the TestMultiplexer obj's underlying member method code with example usage: obj.testRealVector() without return types