@Test
    public void test_autoscaling_single_container_group() {
        var fixture = DynamicProvisioningTester.fixture().awsProdSetup(true).clusterType(ClusterSpec.Type.container).build();

        fixture.loader().applyCpuLoad(0.25f, 120);
        var scaledResources = fixture.tester().assertResources("Scaling cpu up",
                                                               6, 1, 2,  16.0, 40.8,
                                                               fixture.autoscale());
        fixture.deploy(Capacity.from(scaledResources));
        fixture.deactivateRetired(Capacity.from(scaledResources));
        fixture.completeLastScaling();
        fixture.loader().applyCpuLoad(0.1f, 120);
        fixture.tester().assertResources("Scaling down since cpu usage has gone down",
                                         4, 1, 2, 16, 34.0,
                                         fixture.autoscale());
    }
We prefer fewer nodes for container clusters as (we assume) they all use the same disk and memory
node-repository/src/test/java/com/yahoo/vespa/hosted/provision/autoscale/AutoscalingTest.java