code: def test_class_init_valueerror(self):
      self.assertRaises(
          ValueError, ContinuousFactor, ["x", "x"], self.pdf1
      )
      self.assertRaises(
          ValueError, ContinuousFactor, ["x", "y", "y"], self.pdf1
      )
  
      self.assertRaises(
          ValueError, ContinuousFactor, ["x1", "x1"], self.pdf2
      )
      self.assertRaises(
          ValueError, ContinuousFactor, ["x1", "x2", "x2"], self.pdf2
      )
  
      self.assertRaises(
          ValueError, ContinuousFactor, ["x", "x"], self.pdf1
      )
      self.assertRaises(
          ValueError,
          ContinuousFactor,
          ["x", "y", "y", "z", "z"],
          self.pdf1,
      )
  
imports: import unittest
  import numpy
  import numpy.testing
  from scipy.special import beta
  from scipy.stats import multivariate_normal
  from pgmpy.factors.continuous import ContinuousFactor
label_desc: Use image node_id 6 for calling the TestContinuousFactor obj's underlying member method code with example usage: obj.test_class_init_valueerror() without return types