private StorDistributormanagerConfig resolveDistributorConfig(Consumer<TestProperties> propertyMutator) throws Exception {
        var properties = new TestProperties();
        propertyMutator.accept(properties);
        return resolveStorDistributormanagerConfig(properties);
    }
Here there is no good choice.
config-model/src/test/java/com/yahoo/vespa/model/content/ContentClusterTest.java