new_contents: import numpy as np
  
  from SALib.sample import fast_sampler, finite_diff, latin, saltelli
  from SALib.sample.morris import sample as morris_sampler
  
  
  def problem_setup():
      N=1
  
      problem = {'num_vars': 3,
          'names': ['x1','x2','x3'],
          'bounds': [
              [0,1],
              [0,1],
              [0,1]
          ]
      }
  
      return N, problem
  
  
  def test_morris_sample_seed():
  
      N, problem = problem_setup()
  
      sample1 = morris_sampler(problem, N, seed=None)
      sample2 = morris_sampler(problem, N, seed=123)
  
      np.testing.assert_equal(np.any(np.not_equal(sample1,sample2)), True)
  
  
  def test_saltelli_sample_seed():
  
      N, problem = problem_setup()
  
      sample1 = saltelli.sample(problem, N, calc_second_order=False, skip_values=1000)
      sample2 = saltelli.sample(problem, N, calc_second_order=False, skip_values=1001)
  
      np.testing.assert_equal(np.any(np.not_equal(sample1,sample2)), True)
  
  
  def test_fast_sample_seed():
  
      _, problem = problem_setup()
  
      sample1 = fast_sampler.sample(problem, 65, seed=None)
      sample2 = fast_sampler.sample(problem, 65, seed=123)
  
      np.testing.assert_equal(np.any(np.not_equal(sample1,sample2)), True)
  
  
  def test_finite_diff_sample_seed():
      N, problem = problem_setup()
  
      sample1 = finite_diff.sample(problem, N, skip_values=1001)
      sample2 = finite_diff.sample(problem, N, skip_values=1002)
  
      np.testing.assert_equal(np.any(np.not_equal(sample1,sample2)), True)
  
  
  def test_latin_sample_seed():
      N, problem = problem_setup()
  
      sample1 = latin.sample(problem, N, seed=None)
      sample2 = latin.sample(problem, N, seed=123)
  
      np.testing.assert_equal(np.any(np.not_equal(sample1,sample2)), True)
  
  
subject: Add tests to ensure seed values result in different samples