*/
fun formatDuration(ns: Long): String {
  val s =
    when {
      ns <= -999_500_000 -> "${(ns - 500_000_000) / 1_000_000_000} s "
      ns <= -999_500 -> "${(ns - 500_000) / 1_000_000} ms"
      ns <= 0 -> "${(ns - 500) / 1_000} µs"
      ns < 999_500 -> "${(ns + 500) / 1_000} µs"
      ns < 999_500_000 -> "${(ns + 500_000) / 1_000_000} ms"
      else -> "${(ns + 500_000_000) / 1_000_000_000} s "
    }

spiffe://cluster.local/ns/istio-system/sa/istiod         Leaf     Available        true           e5dfb59150b2ba7f108d93dcec5aa613     2033-03-22T13:04:57Z     2023-03-21T13:02:57Z
spiffe://cluster.local/ns/istio-system/sa/istiod         Root     Available        false          8a516645c40ce76c2c0d27ab4e2461c1     2022-03-18T13:04:49Z     2022-03-21T13:04:49Z

import okhttp3.TestUtil.assertSuppressed
import okhttp3.internal.DoubleInetAddressDns
import okhttp3.internal.connection.RealConnection
import okhttp3.internal.connection.RealConnection.Companion.IDLE_CONNECTION_HEALTHY_NS
import okhttp3.internal.http.RecordingProxySelector
import okhttp3.testing.Flaky
import okhttp3.testing.PlatformRule
import okio.BufferedSink
import org.junit.jupiter.api.Assertions.assertEquals

 * limitations under the License.
 *
 */
package mockwebserver3.internal

internal fun sleepNanos(nanos: Long) {
  val ms = nanos / 1_000_000L
  val ns = nanos - (ms * 1_000_000L)
  if (ms > 0L || nanos > 0) {
    Thread.sleep(ms, ns.toInt())
  }