val out = stream.getSink().buffer()
    out.write(buff)
    out.flush()
    out.close()
    val synStream = peer.takeFrame()
    assertThat(synStream.type).isEqualTo(Http2.TYPE_HEADERS)
    var data = peer.takeFrame()
    assertThat(data.data!!.size).isEqualTo(peer.maxOutboundDataLength())
    data = peer.takeFrame()
    assertThat(data.data!!.size).isEqualTo(1)
  }

  @Test fun pushPromiseStream() {

```go
package main

// Import Go and NATS packages
import (
 "fmt"
 "runtime"

 "github.com/nats-io/stan.go"
)

func main() {

 var stanConnection stan.Conn

 subscribe := func() {
  fmt.Printf("Subscribing to subject 'bucketevents'\n")
  stanConnection.Subscribe("bucketevents", func(m *stan.Msg) {

   // Handle the message

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