val frResponse = client.newCall(frRequest).execute()
    assertThat(frResponse.body.string()).isEqualTo("A")
    val enRequest =
      Request
        .Builder()
        .url(url)
        .header("Accept-Language", "en-US")
        .build()
    val enResponse = client.newCall(enRequest).execute()
    assertThat(enResponse.body.string()).isEqualTo("B")
  }

  @Test

		c.handleDisconnectServerMux(m)
	case OpDisconnectClientMux:
		c.handleDisconnectClientMux(m)
	case OpPing:
		c.handlePing(ctx, m)
	case OpPong:
		c.handlePong(ctx, m)
	case OpRequest:
		c.handleRequest(ctx, m, subID)
	case OpAckMux:
		c.handleAckMux(ctx, m)
	case OpConnectMux:
		c.handleConnectMux(ctx, m, subID)
	case OpMuxConnectError:
		c.handleConnectMuxError(ctx, m)