assertEquals(Level.ERROR, result.getLevel());
    }

    public void test_createPolicy_with_null_logger_name_prefix() {
        ErrorToWarnRewritePolicy policy = ErrorToWarnRewritePolicy.createPolicy(null);

        assertNotNull(policy);

        LogEvent event = Log4jLogEvent.newBuilder()
                .setLoggerName("any.logger")
                .setLevel(Level.ERROR)