public static Autoscaling empty() {
        return empty("");
    }
@Test
    public void initial_deployment_with_host_sharing_flag() {
        var min = new ClusterResources(7, 1, new NodeResources(2.0, 10.0, 384.0, 0.1));
        var max = new ClusterResources(7, 1, new NodeResources(2.4, 32.0, 768.0, 0.1));
        var fixture = DynamicProvisioningTester.fixture()
                                               .awsProdSetup(false)
                                               .capacity(Capacity.from(min, max))
                                               .initialResources(Optional.empty())
                                               .hostSharing()
                                               .build();
        fixture.tester().assertResources("Initial resources at min, since flag turns on host sharing",
                                         7, 1, 2.0, 10.0, 384.0,
                                         fixture.currentResources().advertisedResources());
    }