1 Tests animation events with a negative delay.
3 PASS: animation1: Start event: elapsedTime=0
4 PASS: animation1: End event: elapsedTime=0.1
5 PASS: animation2: Start event: elapsedTime=0.05
6 PASS: animation2: End event: elapsedTime=0.1
7 PASS: animation3: Start event: elapsedTime=0.15
8 PASS: animation3: End event: elapsedTime=0.1