code: def testMatrixReal(self):
      input = array([[1.0, 2.0, 3.0, 4.0], [5.0, 6.0, 7.0, 8.0]])
      result = self.runNetwork(input)
      self.assertEqualMatrix(result, input)
  
file_path: essentia/test/src/unittests/streaming/test_vectorinput_streaming.py
imports: from essentia_test import *
label_desc: Use image node_id 7 for calling the TestVectorInput_Streaming obj's underlying member method code with example usage: obj.testMatrixReal() without return types