### Question:
MetricsOptions { public boolean isMetricsEnabled() { return metricsEnabled; }  boolean isMetricsEnabled(); int getMetricsPort(); String getMetricsInterface(); List<String> getMetricsCategories(); List<String> getMetricsHostAllowlist(); static final ImmutableSet<MetricCategory> DEFAULT_METRICS_CATEGORIES; }### Answer:
@Test public void metricsEnabled_shouldNotRequireAValue() { final GlobalConfiguration globalConfiguration = getGlobalConfigurationFromArguments("--metrics-enabled"); assertThat(globalConfiguration.isMetricsEnabled()).isTrue(); }