.isEqualTo("abc")
    assertFailsWith<IllegalStateException> {
      sinkReference.get().flush()
    }
    assertFailsWith<IllegalStateException> {
      sinkReference.get().write("ghi".toByteArray())
      sinkReference.get().emit()
    }
  }

  @Test
  fun getHeadersThrows() {
    server.enqueue(MockResponse.Builder().onRequestStart(CloseSocket()).build())