def pixelVelocity(self):
        return np.array([f.vel for f in self])
Make a ``RunTest`` instance for asynchronous tests.
dataset/ETHPy150Open sightmachine/SimpleCV/SimpleCV/Tracking/TrackSet.py/TrackSet.pixelVelocity--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/flocker/testtools/_base.py/async_runner