old_contents: import unittest
  
  
  class TestG(unittest.TestCase):
      def test_feat_1_case_1(self):
          pass
  
      def test_feat_1_case_2(self):
          pass
  
      def test_feat_1_case_3(self):
          pass
  
      def test_feat_1_case_4(self):
          pass
  
  
  class TestH(unittest.TestCase):
      def test_feat_1_case_1(self):
          pass
  
      def test_feat_1_case_2(self):
          pass
  
      def test_feat_1_case_3(self):
          pass
  
      def test_feat_1_case_4(self):
          pass
  
new_contents: import time
  import unittest
  
  
  class TestG(unittest.TestCase):
      def test_feat_1_case_1(self):
          pass
  
      def test_feat_1_case_2(self):
          pass
  
      def test_feat_1_case_3(self):
          pass
  
      def test_feat_1_case_4(self):
          pass
  
  
  class TestH(unittest.TestCase):
      def test_feat_1_case_1(self):
          time.sleep(0.1)
  
      def test_feat_1_case_2(self):
          time.sleep(0.1)
  
      def test_feat_1_case_3(self):
          time.sleep(0.1)
  
      def test_feat_1_case_4(self):
          time.sleep(0.1)
  
      def test_feat_1_case_5(self):
          time.sleep(0.1)
  
      def test_feat_1_case_6(self):
          time.sleep(0.1)
  
      def test_feat_1_case_7(self):
          time.sleep(0.1)
  
      def test_feat_1_case_8(self):
          time.sleep(0.1)
  
      def test_feat_1_case_9(self):
          time.sleep(0.1)
  
      def test_feat_1_case_10(self):
          time.sleep(0.1)
  
      def test_feat_1_case_11(self):
          time.sleep(0.1)
  
      def test_feat_1_case_12(self):
          time.sleep(0.1)
  
subject: Add empty time tests (for ui testing)