def test_duplicate_defined_name(self, Workbook):
wb1 = Workbook()
wb1.defined_names.append(DefinedName("dfn1"))
assert True == wb1._duplicate_name("dfn1")
assert True == wb1._duplicate_name("DFN1")
def test_duplicate_table_name(self, Workbook, Table):
wb = Workbook()
ws = wb.create_sheet()
ws.add_table(Table(displayName="Table1", ref="A1:D10"))
assert True == wb._duplicate_name("Table1")
assert True == wb._duplicate_name("TABLE1")
