@Test
    void zeroing_crash_count_resets_unstable_init_flag() {
        ClusterFixture fixture = fixtureWithNodeMarkedAsUnstableInit(1);

        final NodeInfo nodeInfo = fixture.cluster.getNodeInfo(new Node(NodeType.STORAGE, 1));
        nodeInfo.setPrematureCrashCount(0);
        assertFalse(nodeInfo.recentlyObservedUnstableDuringInit());
    }
The cluster controller will, after a time of observed stable state, reset the crash
counter for a given node. This should also reset the unstable init flag to keep it
from haunting a now stable node.
clustercontroller-core/src/test/java/com/yahoo/vespa/clustercontroller/core/NodeInfoTest.java