Increase timeout for StreamingEngine unit tests
Increase timeout for StreamingEngine unit tests

Fixes flake on Edge, where the tests run just a bit too slow.
(7s instead of < 5s)

Change-Id: I1c8d9d562140d7b16e63592cb5ac1fe84627d5c0

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