Add path validation error expectations for PKITS tests.

net/cert/internal/parsed_certificate_unittest.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/cert/internal/parsed_certificate.h"
 
 #include "net/cert/internal/cert_errors.h"
 #include "net/cert/internal/parse_certificate.h"
 #include "net/cert/internal/test_helpers.h"
 #include "net/der/input.h"
@@ skipping 26 matching lines @@
   };
   std::string test_file_path = GetFilePath(file_name);
   EXPECT_TRUE(ReadTestDataFromPemFile(test_file_path, mappings));
 
   CertErrors errors;
   scoped_refptr<ParsedCertificate> cert = ParsedCertificate::Create(
       bssl::UniquePtr<CRYPTO_BUFFER>(CRYPTO_BUFFER_new(
           reinterpret_cast<const uint8_t*>(data.data()), data.size(), nullptr)),
       options, &errors);
 
-  EXPECT_EQ(expected_errors, errors.ToDebugString()) << "Test file: "
-                                                     << test_file_path;
+  VerifyCertErrors(expected_errors, errors, test_file_path);
 
   // TODO(crbug.com/634443): Every parse failure being tested should emit error
   // information.
   // if (!cert)
   //   EXPECT_FALSE(errors.empty());
 
   return cert;
 }
 
 der::Input DavidBenOid() {
@@ skipping 378 matching lines @@
   ASSERT_TRUE(cert->GetExtension(InhibitAnyPolicyOid(), &extension));
 
   uint8_t skip_count;
   ASSERT_TRUE(ParseInhibitAnyPolicy(extension.value, &skip_count));
   EXPECT_EQ(3, skip_count);
 }
 
 }  // namespace
 
 }  // namespace net