lateinit var cacheDir: Path
  private val appVersion = 100
  private lateinit var journalFile: Path
  private lateinit var journalBkpFile: Path
  private val taskFaker = TaskFaker()
  private val taskRunner = taskFaker.taskRunner
  private lateinit var cache: DiskLruCache
  private val toClose = ArrayDeque<DiskLruCache>()

  private fun createNewCache() {
    createNewCacheWithSize(Int.MAX_VALUE)
  }

import org.junit.jupiter.api.Test
import org.junit.jupiter.api.Timeout

@Timeout(5)
@Tag("Slow")
class Http2ConnectionTest {
  private val peer = MockHttp2Peer()
  private val taskFaker = TaskFaker()

  @AfterEach fun tearDown() {
    peer.close()
    taskFaker.close()
  }

  @Test fun serverPingsClientHttp2() {
    // Write the mocking script.
    peer.sendFrame().settings(Settings())
    peer.acceptFrame() // ACK