def test_toTimeSeries(self):
from lambdaimage.rdds.timeseries import TimeSeries
rdd = self.sc.parallelize([(0, array([4, 5, 6, 7])), (1, array([8, 9, 10, 11]))])
data = Series(rdd)
ts = data.toTimeSeries()
assert(isinstance(ts, TimeSeries))
