'Test for space continuation character in long (ASCII) subject headers (#7747)'

def test_space_continuation(self):

    email = EmailMessage('Long    subject    lines    that    get    wrapped    should    contain    a    space    continuation    character    to    get    expected    behavior    in    Outlook    and    Thunderbird', 'Content', 'from@example.com', ['to@example.com'])
    message = email.message()
    self.assertEqual(message['Subject'].encode(), 'Long    subject    lines    that    get    wrapped    should    contain    a    space    continuation\n    character    to    get    expected    behavior    in    Outlook    and    Thunderbird')
