When the last track in the playlist is removed and playing. it is not stopped

What happened:
1) Create a queue
2) Start playing the last track
3) Remove the tracks one by one, or select clear()
4) The track keeps playing

What was expected to happen:
At step 4) for the track to be stopped as it has been removed.

$ system-image-cli -i
current build number: 160
device name: mako
channel: ubuntu-touch/rc-proposed/bq-aquaris.en
last update: 2015-11-12 07:59:01
version version: 160
version ubuntu: 20151112.1
version device: 20150911
version custom: mako-1.1

$ apt-cache policy media-hub
media-hub:
  Installed: 4.0.0+15.04.20151114-0ubuntu1
  Candidate: 4.0.0+15.04.20151114-0ubuntu1
  Version table:
 *** 4.0.0+15.04.20151114-0ubuntu1 0
       1002 http://ppa.launchpad.net/ci-train-ppa-service/landing-009/ubuntu/ vivid/main armhf Packages
        100 /var/lib/dpkg/status
     3.3.0+15.04.20151023.3-0ubuntu1 0
       1001 http://ppa.launchpad.net/ci-train-ppa-service/stable-phone-overlay/ubuntu/ vivid/main armhf Packages
     3.0.0+15.04.20150402-0ubuntu1 0
        500 http://ports.ubuntu.com/ubuntu-ports/ vivid/universe armhf Packages
        500 http://ports.ubuntu.com/ubuntu-ports/ vivid-updates/universe armhf Packages
        500 http://ports.ubuntu.com/ubuntu-ports/ vivid-security/universe armhf Packages