def test_merge_correlation():
c1 = CorrelationData(1)
c2 = CorrelationData(2)
c3 = CorrelationData(3)
c = Merge(c1,c2,c3)
c_bis = c1.merge([c2,c3])
assert str(c)==str(c_bis)
c.plot()
def test_merge_tops():
t1 = TopsData()
t2 = TopsData()
t = Merge(t1, t2)
t.plot()
