public long getPositiveMillisOrDefault(HazelcastProperty property) {
        return getPositiveMillisOrDefault(property, Long.parseLong(property.getDefaultValue()));
    }
@Test
    public void getPositiveMillisOrDefault() {
        String name = ClusterProperty.PARTITION_TABLE_SEND_INTERVAL.getName();
        config.setProperty(name, "-300");
        HazelcastProperty property = new HazelcastProperty(name, "20", TimeUnit.MILLISECONDS);

        long millis = defaultProperties.getPositiveMillisOrDefault(property);

        assertEquals(20, millis);
    }