def test_unique_id(self):
    'Tests that unique_id generates a unique identifier and is unique'
    id1 = addresser.user.unique_id()
    id2 = addresser.user.unique_id()
    self.assertIsIdentifier(id1)
    self.assertIsIdentifier(id2)
    self.assertNotEqual(id1, id2)
Tests that unique_id generates a unique identifier and is unique
def test_unique_id(self):
    
    id1 = addresser.user.unique_id()
    id2 = addresser.user.unique_id()
    self.assertIsIdentifier(id1)
    self.assertIsIdentifier(id2)
    self.assertNotEqual(id1, id2)