server.enqueue(MockResponse(body = "abc"))

    val client =
      client.newBuilder()
        .retryOnConnectionFailure(false)
        .build()

    // Seed the connection pool so we have something that can fail.
    val request1 = Request.Builder().url(server.url("/")).build()
    val response1 = client.newCall(request1).execute()
    assertThat(response1.body.string()).isEqualTo("abc")