code: def test_get_expanded_phrases(self):
      self.assertEqual(
          ([], []),
          swap_ins._get_expanded_phrases(["I", "can", "'t", "do"]),
      )
  
imports: import unittest
  from textflint.input.component.sample import SASample
  from textflint.generation.transformation.UT.contraction import Contraction
label_desc: Use image node_id 2 for calling the TestContraction obj's underlying member method code with example usage: obj.test_get_expanded_phrases() without return types