@Test
    public void test_autoscaling_uses_peak() {
        var fixture = DynamicProvisioningTester.fixture().awsProdSetup(true).build();
        fixture.setScalingDuration(Duration.ofHours(6));
        fixture.loader().applyCpuLoad(0.01, 100);
        fixture.loader().applyCpuLoad(0.70, 1);
        fixture.loader().applyCpuLoad(0.01, 100);
        fixture.tester().assertResources("Scaling up since peak resource usage is too high",
                                         5, 1, 7.6, 11.9, 50.5,
                                         fixture.autoscale());
    }
When ok to scale down, scale in both directions simultaneously (compare to test_only_autoscaling_up_quickly)
node-repository/src/test/java/com/yahoo/vespa/hosted/provision/autoscale/AutoscalingTest.java