code: def testAppendNewData(self):
      self.newDynamic.appendNewData([[1, 2]])
      self.assertAlmostEqual(
          np.abs(
              np.sum(
                  np.array(self.newDynamic.features[-1])
                  - np.array([1, 2])
              )
          ),
          0,
      )
  
file_path: pydlm/tests/modeler/testDynamic.py
imports: import numpy
  from pydlm.modeler.dynamic import dynamic
  import unittest
label_desc: Use image node_id 5 for calling the testDynamic obj's underlying member method code with example usage: obj.testAppendNewData() without return types