public boolean recentlyObservedUnstableDuringInit() {
        return recentlyObservedUnstableDuringInit;
    }
@Test
    void unstable_init_flag_is_initially_clear() {
        ClusterFixture fixture = ClusterFixture.forFlatCluster(3);
        final NodeInfo nodeInfo = fixture.cluster.getNodeInfo(new Node(NodeType.STORAGE, 1));
        assertFalse(nodeInfo.recentlyObservedUnstableDuringInit());
    }