assertThat(LinkedHashSet(responseHeaders.values("a"))).isEqualTo(newSet("c", "e"))
    assertThat(responseHeaders.name(0)).isEqualTo("A")
    assertThat(responseHeaders.value(0)).isEqualTo("c")
    assertThat(responseHeaders.name(1)).isEqualTo("B")
    assertThat(responseHeaders.value(1)).isEqualTo("d")
    assertThat(responseHeaders.name(2)).isEqualTo("A")
    assertThat(responseHeaders.value(2)).isEqualTo("e")
    response.body.close()
  }