PlayerSpec test fix
PlayerSpec test fix

Not all playbacks have an error method.
Previously this test would fail on firefox, maybe it was using flash
there?

clappr/clappr,flavioribeiro/clappr,clappr/clappr,flavioribeiro/clappr,dayvson/clappr,clappr/clappr,dayvson/clappr,dayvson/clappr,flavioribeiro/clappr