Fixed a bug in the test script.
Fixed a bug in the test script.

A previous change to remove a variable missed a usage.  Fixed it
and removed an unused variable.

Change-Id: I899583a32c8ff4971b020413f7666de79d05da1a

TheModMaker/shaka-player,brightcove/shaka-player,vimond/shaka-player,shaka-project/shaka-player,Ross-cz/shaka-player,tvoli/shaka-player,shaka-project/shaka-player,tvoli/shaka-player,ustudio/shaka-player,Ross-cz/shaka-player,tvoli/shaka-player,tvoli/shaka-player,Ross-cz/shaka-player,TheModMaker/shaka-player,indiereign/shaka-player,shaka-project/shaka-player,russitto/shaka-player,indiereign/shaka-player,TheModMaker/shaka-player,shaka-project/shaka-player,brightcove/shaka-player,vimond/shaka-player,TobbeEdgeware/shaka-player,TobbeEdgeware/shaka-player,russitto/shaka-player,ustudio/shaka-player,baconz/shaka-player,vimond/shaka-player,indiereign/shaka-player,baconz/shaka-player,ustudio/shaka-player,TobbeEdgeware/shaka-player,ustudio/shaka-player,russitto/shaka-player,baconz/shaka-player,TheModMaker/shaka-player,brightcove/shaka-player