@Override
    public Timestamp getValue() {
        return value;
    }
@Test
    public void getValue() {
        RubyTimeStampGauge gauge = new RubyTimeStampGauge("bar", RUBY_TIMESTAMP);
        assertThat(gauge.getValue()).isEqualTo(RUBY_TIMESTAMP.getTimestamp());
        assertThat(gauge.getType()).isEqualTo(MetricType.GAUGE_RUBYTIMESTAMP);

        //Null initialize
        gauge = new RubyTimeStampGauge("bar");
        assertThat(gauge.getValue()).isNull();
        assertThat(gauge.getType()).isEqualTo(MetricType.GAUGE_RUBYTIMESTAMP);
    }