@Test
    public void required_capacity_respects_prod_redundancy_requirement() {
        ProvisioningTester tester = new ProvisioningTester.Builder().zone(new Zone(Environment.prod, RegionName.from("us-east"))).build();
        ApplicationId application = ProvisioningTester.applicationId();
        try {
            prepare(application, tester, 1, 0, 1, 0, true, defaultResources, "6.42");
            fail("Expected exception");
        } catch (IllegalArgumentException ignored) {}
    }
Test always uses the zone default resources
node-repository/src/test/java/com/yahoo/vespa/hosted/provision/provisioning/ProvisioningTest.java