old_contents: import interleaving as il
  import numpy as np
  import pytest
  np.random.seed(0)
  from .test_methods import TestMethods
  
  class TestProbabilisticInterleaveSpeed(TestMethods):
  
      def test_interleave(self):
          r1 = list(range(100))
          r2 = list(range(100, 200))
          for i in range(1000):
              method = il.Probabilistic([r1, r2])
              ranking = method.interleave()
              print(list(ranking))
  
new_contents: import interleaving as il
  import numpy as np
  import pytest
  np.random.seed(0)
  from .test_methods import TestMethods
  
  class TestProbabilisticInterleaveSpeed(TestMethods):
  
      def test_interleave(self):
          r1 = list(range(100))
          r2 = list(range(50, 150))
          r3 = list(range(100, 200))
          r4 = list(range(150, 250))
          for i in range(1000):
              method = il.Probabilistic([r1, r2, r3, r4])
              ranking = method.interleave()
              method.evaluate(ranking, [0, 1, 2])
  
subject: Add tests for measuring the speed of probabilistic interleaving