'Precision should be the currency\'s, not the float field\'s'

def test_currency_precision(self):

    currency = self.create(self.Currency, name='Test', symbol=u'test')
    obj = self.create(self.Model, value=0.1234567)
    converted = self.convert(obj, dest=currency)
    self.assertEqual(converted, u'<span    class="oe_currency_value">0.12</span>\xa0{symbol}'.format(obj=obj, symbol=currency.symbol.encode('utf-8')))
