code: def read_test_files(filepath):
      with open(filepath) as f:
          lines = f.read().strip().splitlines()
      return lines
  
file_path: underthesea/tests/utils/test_vietnamese_ipa.py
imports: from os.path import join, dirname
  from unittest import TestCase
  from underthesea.utils.vietnamese_ipa import Syllable
label_desc: Use image node_id 1 for calling a global function with example usage: read_test_files(filepath) and returns: lines