.build()
    val response = client.newCall(request).execute()
    assertThat(response.body.string()).isEqualTo("B")
  }

  @Test
  fun requestOnlyIfCachedWithNoResponseCached() {
    // (no responses enqueued)
    val request =
      Request.Builder()
        .url(server.url("/"))
        .header("Cache-Control", "only-if-cached")
        .build()