code: def testAlter(self):
      self.newDynamic.alter(1, [0, 0])
      self.assertAlmostEqual(self.newDynamic.features[1], [0, 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 7 for calling the testDynamic obj's underlying member method code with example usage: obj.testAlter() without return types