def test_fromCartesian(self):
"""MageGroup fromCartesian should return a new MageGroup"""
point = MagePoint([.1,.2,.3])
l = MageList([point]*5,Color='red')
m = MageGroup([l],Radius=0.02,Subgroup=True)
mg = MageGroup([m])
res = mg.toCartesian().fromCartesian()
self.assertEqual(str(mg),str(res))
