LogEvent result = policy.rewrite(event);

        assertNotSame(event, result);
        assertEquals(Level.WARN, result.getLevel());
        assertEquals("test.logger.sublogger", result.getLoggerName());
        assertEquals("test error message", result.getMessage().getFormattedMessage());
    }

    public void test_rewrite_error_to_warn_exact_logger_match() {
        String[] loggerNames = { "test.logger" };