@Test
    void distribution_key_much_higher_than_node_count_logs_deployment_warning() {
        // "much higher" is somewhat arbitrary, but needs to be kept in track with threshold in `ContentCluster`.
        String warnings = createClusterAndGetDeploymentWarnings(clusterXmlWithNodeDistributionKey(101));
        assertEquals(warnings, "Content cluster 'mockcluster' has 1 node(s), but the highest distribution " +
                               "key is 101. Having much higher distribution keys than the number of nodes " +
                               "is not recommended, as it may negatively affect performance. " +
                               "See https://docs.vespa.ai/en/reference/services-content.html#node\n");
    }
Here there is no good choice.
config-model/src/test/java/com/yahoo/vespa/model/content/ContentClusterTest.java