def test_currency_unit(self):
        # probably don't need this test, since I changed $ to USD
        try:
            x = units.PhysicalQuantity('1USD')
        except __HOLE__:
            self.fail("Error: Currency Unit (USD) is not working")
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.units/openmdao/units/test/test_units.py/test__PhysicalQuantity.test_currency_unit