code: def test_auto_q_if_short_mostly_safe(self):
      self.assertEqual(_ew.encode("vi.", "utf-8"), "=?utf-8?q?vi=2E?=")
  
imports: import unittest
  from email import _encoded_words
  from email import errors
  from test.test_email import TestEmailBase
label_desc: Use image node_id 4 for calling the TestEncode obj's underlying member method code with example usage: obj.test_auto_q_if_short_mostly_safe() without return types