old_contents: 
  import unittest
  import os
  import sys
  
  from gitsqueeze import *
  
  
  class TestSqueeze(unittest.TestCase):
  
     def test_parse_diff_line(self):
        s = Squeeze()
        self.assertEqual(
           s.parse_diff_line("A\ttestfile"),
           ("A", ["testfile"])
        )
  
        self.assertEqual(
           s.parse_diff_line("C100\ttestfile\ttest"),
           ("C100", ["testfile", "test"])
        )
  
new_contents: 
  import unittest
  import os
  import sys
  
  from gitsqueeze import *
  
  
  class TestSqueeze(unittest.TestCase):
  
     pass
  
subject: Remove old tests