Fail tests fast if overriding the Windows registry fails.

chrome/installer/util/product_unittest.cc

 // Copyright (c) 2012 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 "chrome/installer/util/product.h"
 
 #include <memory>
 
 #include "base/files/file_path.h"
 #include "base/logging.h"
@@ skipping 28 matching lines @@
   base::FilePath program_files;
   ASSERT_TRUE(PathService::Get(base::DIR_PROGRAM_FILES, &program_files));
   // The User Data path should never be under program files, even though
   // system_level is true.
   EXPECT_EQ(std::wstring::npos,
             user_data_dir.value().find(program_files.value()));
 
   HKEY root = system_level ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
   {
     RegistryOverrideManager override_manager;
-    override_manager.OverrideRegistry(root);
+    ASSERT_NO_FATAL_FAILURE(override_manager.OverrideRegistry(root));
 
     // There should be no installed version in the registry.
     machine_state.Initialize();
     EXPECT_EQ(nullptr, machine_state.GetProductState(system_level));
 
     // Let's pretend chrome is installed.
     RegKey version_key(root, distribution->GetVersionKey().c_str(),
                        KEY_ALL_ACCESS);
     ASSERT_TRUE(version_key.Valid());
 
@@ skipping 27 matching lines @@
     if (chrome_state)
       EXPECT_TRUE(chrome_state->is_msi());
   }
 }
 
 TEST(ProductTest, LaunchChrome) {
   // TODO(tommi): Test Product::LaunchChrome and
   // Product::LaunchChromeAndWait.
   NOTIMPLEMENTED();
 }