// Call 1: set a deadline on the response body.
    val request1 = Request.Builder().url(server.url("/")).build()
    val response1 = client.newCall(request1).execute()
    val body1 = response1.body.source()
    assertThat(body1.readUtf8()).isEqualTo("abc")
    body1.timeout().deadline(5, TimeUnit.SECONDS)

    // Call 2: check for the absence of a deadline on the request body.