'Masking not true if not (requested or input requires mask)'

def test_mask_false_if_no_input_masked(self):

    t0 = Table([[3, 4]], masked=False)
    t1 = Table(t0, masked=True)
    t2 = Table(t1, masked=False)
    assert (not t0.masked)
    assert t1.masked
    assert (not t2.masked)
