response1.body.close()
    assertThat(response1.header("X-Response-ID")).isEqualTo("1")
    val response2 = get(url)
    response2.body.close()
    if (expectCached) {
      assertThat(response2.header("X-Response-ID")).isEqualTo("1")
    } else {
      assertThat(response2.header("X-Response-ID")).isEqualTo("2")
    }
  }