new_contents: from HARK.ConsumptionSaving.ConsLaborModel import (
      LaborIntMargConsumerType,
      init_labor_lifecycle,
  )
  import unittest
  
  
  class test_LaborIntMargConsumerType(unittest.TestCase):
      def setUp(self):
          self.model = LaborIntMargConsumerType()
          self.model_finte_lifecycle = LaborIntMargConsumerType(**init_labor_lifecycle)
          self.model_finte_lifecycle.cycles = 1
  
      def test_solution(self):
          self.model.solve()
          self.model_finte_lifecycle.solve()
  
          self.model.T_sim = 120
          self.model.track_vars = ["bNrmNow", "cNrmNow"]
          self.model.initializeSim()
          self.model.simulate()
  
subject: add test to check solve and simulate in ConsLaborModel