code: def test_1(self):
      text = "Tối 29/11, Việt Nam thêm 2 ca mắc Covid-19"
      actual = dependency_parse(text)
      expected = [
          ("Tối", 5, "obl:tmod"),
          ("29/11", 1, "compound"),
          (",", 4, "punct"),
          ("Việt Nam", 5, "nsubj"),
          ("thêm", 0, "root"),
          ("2", 7, "nummod"),
          ("ca", 5, "obj"),
          ("mắc", 5, "obj"),
          ("Covid-19", 5, "punct"),
      ]
      self.assertEqual(expected, actual)
  
imports: from unittest import TestCase
  from underthesea import dependency_parse
label_desc: Use image node_id 1 for calling the TestDependencyParse obj's underlying member method code with example usage: obj.test_1() without return types