public static RouterConfig getDefaultRouterConfig() {
    Properties properties = new Properties();
    properties.setProperty(RouterConfig.ROUTER_HOSTNAME, "localhost");
    properties.setProperty(RouterConfig.ROUTER_DATACENTER_NAME, "DEV");
    return new RouterConfig(new VerifiableProperties(properties));
  }
@return the default {@link RouterConfig} object.
ambry-test-utils/src/main/java/com/github/ambry/quota/QuotaTestUtils.java