val snapshot = cache["b"]!!
    snapshot.close()
    assertThat(cache.edit("d")).isNull()
    assertThat(taskFaker.isIdle()).isFalse()

    // On cache misses, no retry job is queued.
    assertThat(cache["c"]).isNull()
    assertThat(taskFaker.isIdle()).isFalse()

    // Let the rebuild complete successfully.

    a bug where a shared connection pool did not guarantee shared connections in some cases.
 *  Fix: Prefer the server's response body on all conditional cache misses. Previously we would
    return the cached response's body if it had a newer `Last-Modified` date.
 *  Fix: Update the stored timestamp on conditional cache hits.

* Add subPath to mount a child dir or file of a volumeMount ([#22575](https://github.com/kubernetes/kubernetes/pull/22575), [@MikaelCluseau](https://github.com/MikaelCluseau))
* Handle image digests in node status and image GC ([#25088](https://github.com/kubernetes/kubernetes/pull/25088), [@ncdc](https://github.com/ncdc))