def METHOD_NAME(self, send_mail):
    bug = BugFactory(assignee=self.assignee, reporter=self.tester)
    bug.status = False
    bug.save()
    self.client.post(
        self.url, {"bug": bug.pk, "text": "", "action": "reopen"}, follow=True
    )
    expected_body = render_to_string(
        "email/post_bug_save/email.txt",
        {"bug": bug, "comment": get_comments(bug).last()},
    )
    expected_recipients = [self.assignee.email, self.tester.email]
    expected_recipients.sort()
    expected_subject = _("Bug #%(pk)d - %(summary)s") % {
        "pk": bug.pk,
        "summary": bug.summary,
    }
    self.assertTrue(send_mail.called)
    self.assertEqual(
        settings.EMAIL_SUBJECT_PREFIX + expected_subject,
        send_mail.call_args.args[0],
    )
    self.assertEqual(expected_body, send_mail.call_args.args[1])
    self.assertEqual(settings.DEFAULT_FROM_EMAIL, send_mail.call_args.args[2])
    self.assertEqual(len(send_mail.call_args.args[3]), len(expected_recipients))
    self.assertIn(expected_recipients[0], send_mail.call_args.args[3])
    self.assertIn(expected_recipients[1], send_mail.call_args.args[3])