// This request will share a connection with 'A' cause it's all done.
          client.newCall(Request.Builder().url(server.url("/b")).build()).enqueue(callback)
        }
      },
    )
    callback.await(server.url("/b")).assertCode(200).assertBody("def")
    // New connection.
    assertThat(server.takeRequest().sequenceNumber).isEqualTo(0)
    // Connection reuse!

    val recordedRequest2 = server.takeRequest()
    assertThat(recordedRequest2.requestLine).isEqualTo("GET /bar HTTP/1.1")
    assertThat(recordedRequest2.sequenceNumber).isEqualTo(1)

    // an unrelated request should reuse the pooled connection
    val request3 = Request.Builder().url(server.url("/baz")).build()
    val response3 = client.newCall(request3).execute()
    assertThat(response3.body.string()).isEqualTo("DEF")