def METHOD_NAME(self):
    self.image1.add_checksums([
        ('SHA1', '12345abcde'),
        ('MD5', '1ff38cc592c4c5d0c8e3ca38be8f1eb1')])
    self.assertEqual(self.image1.checksums,
                     [('SHA1', '12345abcde'),
                      ('MD5', '1ff38cc592c4c5d0c8e3ca38be8f1eb1')])