new_contents: # -*- coding: utf-8 -*-
  import numpy as np
  from tec.electrode import Metal
  from tec import TECBase
  from astropy.units import Quantity
  from astropy.units import Unit
  import unittest
  import copy
  
  em = Metal(temp=1000., barrier=2., richardson=10.)
  co = Metal(temp=300., barrier=1., richardson=10.)
  
  
  class InstantiationInputArgsWrongType(unittest.TestCase):
      """
      Test instantiation with non-`tec.electrode` args
      """
      pass
  
  
  class SetAttribsWrongType(unittest.TestCase):
      """
      Tests setting attributes with non-`tec.electrode` data
      """
      pass
  
  
  class CalculatorsReturnType(unittest.TestCase):
      """
      Tests output types of the calculator methods
      """
      pass
  
  
  class CalculatorsReturnUnits(unittest.TestCase):
      """
      Tests output units, where applicable, of the calculator methods
      """
  
  
  class CalculatorsReturnValues(unittest.TestCase):
      """
      Tests values of calculator methods against known values
      """
      pass
  
subject: Add stubs of tests