@Test
  public void settingMonitorIntervalViaProperty() {
    int monitorInterval = 10;
    System.setProperty(ClientHealthMonitor.CLIENT_HEALTH_MONITOR_INTERVAL_PROPERTY,
        String.valueOf(monitorInterval));

    assertEquals(monitorInterval,
        ClientHealthMonitor
            .getInstance(mock(InternalCache.class), 0, mock(CacheClientNotifierStats.class))
            .getMonitorInterval());
  }
Creates and starts the server instance
geode-core/src/integrationTest/java/org/apache/geode/internal/cache/tier/sockets/ClientHealthMonitorIntegrationTest.java