} catch (e: IOException) {
      RecordedResponse(request, null, null, null, e)
    }
  }

  /**
   * Tests that use this will fail unless boot classpath is set. Ex. `-Xbootclasspath/p:/tmp/alpn-boot-8.0.0.v20140317`
   */
  private fun enableProtocol(protocol: Protocol) {
    enableTls()
    client =
      client.newBuilder()
        .protocols(listOf(protocol, Protocol.HTTP_1_1))

      "sink:/cache/journal.bkp",
      "delete:/cache/journal.bkp",
      "metadataOrNull:/cache/journal",
      "metadataOrNull:/cache",
      "sink:/cache/journal.tmp",
      "metadataOrNull:/cache/journal",
      "atomicMove:/cache/journal.tmp",
      "atomicMove:/cache/journal",
      "appendingSink:/cache/journal",
    )
    events.clear()
    c.size()
    assertThat(events).isEmpty()
  }