def test_billable_set(self):
    self.pc1.is_billable = True
    self.pc1.save()
    self.assertEqual(1, self.project.project_contacts.filter(is_billable=True).count())
def test_billable_set(self):
    self.pc1.is_billable = True
    self.pc1.save()
    self.assertEqual(1, self.project.project_contacts.filter(is_billable=True).count())