def METHOD_NAME(self, write_in_channel_mock):
    """
    No alert is sent with --stdout-only.
    """
    out = StringIO()
    call_command("watch_account_number", stdout_only=True, stdout=out)
    output = out.getvalue()
    self.assertNotIn("trusted_1.test", output)
    self.assertIn(self.expected_msg_domain2, output)
    self.assertIn(self.expected_msg_domain3, output)
    self.assertEqual(write_in_channel_mock.call_count, 0)