def test_merge_vectors(self):
v1 = self.int_vector_data()
b = [[2, 78, 45],
[6, 2, 122],
[3, 4, 31],]
v2 = Vectors(b)
v = Merge(v1, v2)
assert v
a = v1.merge([v2])
b = v2.merge([v1])
assert str(a)==str(b)
assert str(a)==str(v)
Plot(v)
