assertThat(i.hasNext()).isFalse()
    assertFailsWith<NoSuchElementException> {
      i.next()
    }
  }

  /** Test https://github.com/square/okhttp/issues/1712.  */
  @Test
  fun conditionalMissUpdatesCache() {
    server.enqueue(
      MockResponse
        .Builder()
        .addHeader("ETag: v1")
        .body("A")
        .build(),
    )
    server.enqueue(
      MockResponse