old_contents: import unittest
  import numpy as np
  from numpy import linalg as LA
  class TestStocMethods(unittest.TestCase):
  
  	def test_test(self):
  		self.assertTrue(True)
  
  	def test_import(self):
  		import mozart as mz
  		self.assertTrue(True)
  
  	def test_authors(self):
  		import mozart as mz
  		authors = ('Yoon-gu Hwang <yz0624@gmail.com>', 'Dong-Wook Shin <dwshin.yonsei@gmail.com>', 'Ji-Yeon Suh <suh91919@gmail.com>')
  		self.assertEqual(mz.__author__, authors)
  	def test_1d_uniform_mesh(self):
  		from mozart.mesh.rectangle import unit_interval
  		N = 4
  		c4n, n4e = unit_interval(N)
  		diff_c4n = c4n - np.linspace(0,1,N)
  		diff_n4e = n4e - np.array([[0,1], [1, 2], [2,3]])
  		self.assertTrue(LA.norm(diff_c4n) < 1E-8)
  		self.assertTrue(LA.norm(diff_n4e) < 1E-8)
  
  	def test_poisson_square_2d(self):
  		from mozart.mesh.rectangle import unit_square
  		unit_square(0.1)
  		from mozart.poisson.solve import one_dim
  		from mozart.poisson.solve import two_dim
  		from mozart.poisson.solve import three_dim
  		one_dim(None, None, None, None)
  		two_dim(None, None, None, None)
  		three_dim(None, None, None, None)
  		self.assertTrue(True)
  	def test_getPoissonMatrix1D(self):
  		from mozart.poisson.solve import getMatrix1D
  		for k in range(1,3):
  			getMatrix1D(k)
  		self.assertTrue(True)
new_contents: import unittest
  import numpy as np
  from numpy import linalg as LA
  class TestStocMethods(unittest.TestCase):
  
  	def test_test(self):
  		self.assertTrue(True)
  
  	def test_import(self):
  		import mozart as mz
  		self.assertTrue(True)
  
  	def test_authors(self):
  		import mozart as mz
  		authors = ('Yoon-gu Hwang <yz0624@gmail.com>', 'Dong-Wook Shin <dwshin.yonsei@gmail.com>', 'Ji-Yeon Suh <suh91919@gmail.com>')
  		self.assertEqual(mz.__author__, authors)
  	def test_1d_uniform_mesh(self):
  		from mozart.mesh.rectangle import unit_interval
  		N = 4
  		c4n, n4e = unit_interval(N)
  		diff_c4n = c4n - np.linspace(0,1,N)
  		diff_n4e = n4e - np.array([[0,1], [1, 2], [2,3]])
  		self.assertTrue(LA.norm(diff_c4n) < 1E-8)
  		self.assertTrue(LA.norm(diff_n4e) < 1E-8)
  
  	def test_poisson_square_2d(self):
  		from mozart.mesh.rectangle import unit_square
  		unit_square(0.1)
  		self.assertTrue(True)
  
  	def test_getPoissonMatrix1D(self):
  		from mozart.poisson.solve import getMatrix1D
  		for k in range(1,3):
  			getMatrix1D(k)
  		self.assertTrue(True)
subject: remove test for dummy code