@Test
    void published_state_jumps_to_configured_ideal_bits_when_all_nodes_report_it() {
        // Note: the rest of the mocked nodes always report 16 bits by default
        assertThat(do_test_distribution_bit_watermark(5, 16),
                equalTo("distributor:3 storage:3")); // "bits:16" implied
    }
Distribution bit increases should not take place incrementally. Doing so would
let e.g. a transition from 10 bits to 20 bits cause 10 interim full re-distributions.
clustercontroller-core/src/test/java/com/yahoo/vespa/clustercontroller/core/ClusterStateGeneratorTest.java