private void assertResourceReductionException(Exception e, String change) {
        assertEquals("resources-reduction: Effective resource reduction in cluster 'default' is too large: " +
                     change + ". " +
                     "To protect against mistakes, changes causing load increases of more than 100% are blocked. " +
                     ValidationOverrides.toAllowMessage(ValidationId.resourcesReduction),
                     Exceptions.toMessageString(e));
    }
Emulate a self-hosted setup in only the sense that it does not set node resources on the provisioned hosts.
config-model/src/test/java/com/yahoo/vespa/model/application/validation/change/ResourcesReductionValidatorTest.java