code: def testRealMatrixSeveralFrames(self):
      expected = [
          array([[0, 1], [2, 3]]),
          array([[1, 2], [3, 4]]),
          array([[2, 3], [4, 5]]),
      ]
  
      p = Pool()
      p.add("foo.bar", array([[0, 1], [2, 3]]))
      p.add("foo.bar", array([[1, 2], [3, 4]]))
      p.add("foo.bar", array([[2, 3], [4, 5]]))
  
      self.assertEqualMatrix(p["foo.bar"], expected)
  
imports: from essentia_test import *
label_desc: Use image node_id 28 for calling the TestPool obj's underlying member method code with example usage: obj.testRealMatrixSeveralFrames() without return types