def _create_mock_calendar(self):
self.calendar = CalendarProduct(isbn='1234567890', number_of_pages=100)
self.calendar.name = 'Calendar'
self.calendar.slug = 'mock-calendar'
self.calendar.short_description = 'test'
self.calendar.long_description = 'test'
self.calendar.unit_price = Decimal('1.0')
self.calendar.save()
options_group = OptionGroup.objects.all()[0]
self.calendar.options_groups.add(options_group)
