text: import unittest
  
  from main import Solution
  
  
  class RemoveDuplicateFromSortedListTestCase(unittest.TestCase):
      def test_case_one(self):
          solution = Solution()
  
          self.assertEqual(solution.remove_duplicate_from_sorted_list([1, 1, 2, 3, 3]), [1, 2, 3])
  
  
  if __name__ == '__main__':
      unittest.main()
  