val request1 = Request.Builder().url(server.url("/")).build()
    val response1 = client.newCall(request1).execute()
    assertThat(response1.body.string()).isEqualTo("abc")

    listener.clearAllEvents()

    val request2 =
      Request(
        url = server.url("/"),
        body = "body!".toRequestBody("text/plain".toMediaType()),
      )
    assertFailsWith<IOException> {