              { currentTime: 1000, progress: 0.5 },
                  { currentTime: 1249, progress: 0.5 },
                  { currentTime: 1250, progress: 1 },
                  { currentTime: 1749, progress: 1 },
                  { currentTime: 1750, progress: 0.5 },
                  { currentTime: 2000, progress: 0.5 },
                  { currentTime: 2500, progress: 0.5 },
                ]
  },
  {
    description: 'Test bounds point of step-start easing ' +
                 'with iterationStart an