static ClusterLoadAssignment exampleEndpoint() {
        return ClusterLoadAssignment
                .newBuilder()
                .setClusterName("some_service")
                .addEndpoints(LocalityLbEndpoints.newBuilder()
                                                 .addLbEndpoints(XdsTestResources.endpoint("127.0.0.1", 1234)))
                .build();
    }
This class ensures that the dynamic bootstrap configuration example at
<a href="https://www.envoyproxy.io/docs/envoy/latest/configuration/overview/examples#dynamic">
Dynamic Example</a> is parsed and fetched correctly.
xds/src/test/java/com/linecorp/armeria/xds/DynamicResourcesTest.java