Tests that `animationUpdated` event is emitted when the animation is updated
PASS: startTime is reported correctly as percentage.
PASS: startTime is reported correctly as percentage in the animation coming from animationUpdated event.
Tests that `animationUpdated` event is emitted when the animation is updated
PASS: startTime is reported correctly as percentage.
PASS: startTime is reported correctly as percentage in the animation coming from animationUpdated event.