Untitled

import unittest

def removeDuplicates(nums):
    """
    Given an integer array nums sorted in non-decreasing order, remove the duplicates in-place
    such that each unique element appears only once. The relative order of the elements should
    be kept the same.
    
    Modify the array in-place and return the number of unique elements.
    """
    return 0 # TODO: Implement this function

class TestRemoveDuplicates(unittest.TestCase):
    def test_case_1(self):
        nums = [1, 1, 2]
        expected_nums = [1, 2]
        k = removeDuplicates(nums)
        self.assertEqual(nums[:k], expected_nums)

    def test_case_2(self):
        nums = [0, 0, 1, 1, 1, 2, 2, 3, 3, 4]
        expected_nums = [0, 1, 2, 3, 4]
        k = removeDuplicates(nums)
        self.assertEqual(nums[:k], expected_nums)
    
if __name__ == "__main__":
    unittest.main()