def METHOD_NAME(self):
    # Verify the test data is what is expected for this unit test.
    self.assertEqual(3, len(CHAIN_DERS))
    self.assertEqual(
        cert.Certificate(CHAIN_DERS[1]).key_hash(hashfunc="sha256").encode('hex'),
        'b6b95432abae57fe020cb2b74f4f9f9173c8c708afc9e732ace23279047c6d05')
    report = self.CertificateReportBase()
    report.scan_der_certs([(0, CHAIN_DERS[0], CHAIN_DERS[1:],
                            client_pb2.X509_ENTRY)])
    results = report.report()
    self.assertEqual(len(results), 1)
    self.assertEqual(results[0].issuer_pk_sha256_hash.encode('hex'),
        'b6b95432abae57fe020cb2b74f4f9f9173c8c708afc9e732ace23279047c6d05')