def test_is_not_superset(self, CellRange):
cr1 = CellRange("E5:K10")
cr2 = CellRange("A1:D4")
assert cr1.issuperset(cr2) is False
def test_issuperset(self, CellRange):
cr1 = CellRange("E5:K10")
cr2 = CellRange("F6:J8")
assert cr1.issuperset(cr2) is True