code: def testEvolveMode(self):
      dlm = builder()
      dlm.add(self.trend0_90)
      dlm.add(self.trend0_98)
      dlm.initialize()
  
      kf2 = kalmanFilter(
          discount=[0.9, 0.98],
          updateInnovation="component",
          index=dlm.componentIndex,
      )
      kf2.forwardFilter(dlm.model, 1.0)
      self.assertAlmostEqual(dlm.model.innovation[0, 1], 0.0)
      self.assertAlmostEqual(dlm.model.innovation[1, 0], 0.0)
  
file_path: pydlm/tests/base/testKalmanFilter.py
imports: import numpy
  import unittest
  from pydlm.modeler.trends import trend
  from pydlm.modeler.seasonality import seasonality
  from pydlm.modeler.builder import builder
  from pydlm.base.kalmanFilter import kalmanFilter
label_desc: Use image node_id 8 for calling the testKalmanFilter obj's underlying member method code with example usage: obj.testEvolveMode() without return types