Tests fail on local iOS 10

[janpio]

Tests are failing on a local (on Travis, not SauceLabs) iOS 10 device:
https://travis-ci.org/apache/cordova-plugin-media/jobs/547250842

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*                    Failures                    *
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1) cordova-plugin-media-tests.tests >> Media actual playback media.spec.19 position should be set properly
  - Error: Timeout - Async callback was not invoked within timeout specified by jasmine.DEFAULT_TIMEOUT_INTERVAL. in file:///Users/travis/Library/Developer/CoreSimulator/Devices/62332DED-D4BB-47D1-AF47-E8BE8CF8D7BC/data/Containers/Bundle/Application/C1234FD0-4236-46E4-9B4A-82FCFA776E1B/HelloCordova.app/www/cdvtests/jasmine-2.4.1/jasmine.js (line 1909)
2) cordova-plugin-media-tests.tests >> Media actual playback media.spec.20 duration should be set properly
  - media1 = new Media - Error creating Media object. Media file: https://cordova.apache.org/downloads/BlueZedEx.mp3
  - Error: Timeout - Async callback was not invoked within timeout specified by jasmine.DEFAULT_TIMEOUT_INTERVAL. in file:///Users/travis/Library/Developer/CoreSimulator/Devices/62332DED-D4BB-47D1-AF47-E8BE8CF8D7BC/data/Containers/Bundle/Application/C1234FD0-4236-46E4-9B4A-82FCFA776E1B/HelloCordova.app/www/cdvtests/jasmine-2.4.1/jasmine.js (line 1909)
  - media1 = new Media - Error creating Media object. Media file: https://cordova.apache.org/downloads/BlueZedEx.mp3
3) cordova-plugin-media-tests.tests >> Media actual playback media.spec.21 should be able to resume playback after pause
  - media1 = new Media - Error creating Media object. Media file: https://cordova.apache.org/downloads/BlueZedEx.mp3
4) cordova-plugin-media-tests.tests >> Media actual playback media.spec.22 should be able to seek through file
  - media1 = new Media - Error creating Media object. Media file: https://cordova.apache.org/downloads/BlueZedEx.mp3
5) cordova-plugin-media-tests.tests >> Media media.spec.24 playback rate should be set properly using setRate
  - Expected 0 to be close to 5, 0.
  - Expected 0 not to be less than 4.
Executed 27 of 27 specs (5 FAILED) in 4 mins 16 secs.

Unfortunately this is blocking #227