@Test
    public void no_arm64_architecture() {
        ProvisioningTester tester = new ProvisioningTester.Builder().zone(new Zone(Environment.dev, RegionName.from("us-east"))).build();

        NodeResources nodeResources = new NodeResources(1, 4, 10, 4, DiskSpeed.fast, StorageType.any, Architecture.x86_64);
        tester.makeReadyHosts(4, nodeResources);
        tester.activateTenantHosts();

        ApplicationId application = ProvisioningTester.applicationId();
        assertTrue(assertThrows(NodeAllocationException.class,
                                () -> prepare(application, 1, 1, 1, 1, nodeResources.with(Architecture.arm64), tester))
                           .getMessage().startsWith("Could not satisfy request"));

    }
Test always uses the zone default resources
node-repository/src/test/java/com/yahoo/vespa/hosted/provision/provisioning/ProvisioningTest.java