def test_USD_to_US(self):
     expected = "US"
     actual = lccc_mapper.currency_to_country_codes("USD")
     nt.assert_in(expected, actual)
 def test_raises_KeyError_for_bad_input(self):
     with nt.assert_raises(KeyError):
         lccc_mapper.currency_to_country_codes("XXX")
 def test_SEK_to_SE(self):
     expected = "SE"
     actual = lccc_mapper.currency_to_country_codes("SEK")[0]
     nt.assert_equals(expected, actual)