@Test
    void versionMetrics() {
        final Server server = ServerTest.server.server();
        server.setupVersionMetrics();

        final MeterRegistry meterRegistry = server.config().meterRegistry();
        final Gauge gauge = meterRegistry.find("armeria.build.info")
                                         .tagKeys("version", "commit", "repo.status")
                                         .gauge();
        assertThat(gauge).isNotNull();
        assertThat(gauge.value()).isOne();
    }
Ensure that the connection is not broken even if {@link Service#serve(ServiceRequestContext, Request)}
raises an exception.
core/src/test/java/com/linecorp/armeria/server/ServerTest.java