Fail tests fast if overriding the Windows registry fails.

chrome/installer/util/set_reg_value_work_item_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/set_reg_value_work_item.h"
 
 #include <windows.h>
 
 #include <memory>
 #include <string>
@@ skipping 16 matching lines @@
 const wchar_t kNameDword[] = L"name_dword";
 
 const DWORD kDword1 = 12345;
 const DWORD kDword2 = 6789;
 
 class SetRegValueWorkItemTest : public testing::Test {
  protected:
   SetRegValueWorkItemTest() {}
 
   void SetUp() override {
-    registry_override_manager_.OverrideRegistry(HKEY_CURRENT_USER);
+    ASSERT_NO_FATAL_FAILURE(
+        registry_override_manager_.OverrideRegistry(HKEY_CURRENT_USER));
 
     // Create a temporary key for testing.
     ASSERT_NE(ERROR_SUCCESS,
               test_key_.Open(HKEY_CURRENT_USER, kTestKey, KEY_READ));
     ASSERT_EQ(ERROR_SUCCESS, test_key_.Create(HKEY_CURRENT_USER, kTestKey,
                                               KEY_READ | KEY_SET_VALUE));
   }
 
   base::win::RegKey test_key_;
 
@@ skipping 293 matching lines @@
 
   work_item->Rollback();
 
   DWORD read_dword_out = 0;
   EXPECT_TRUE(test_key_.HasValue(kNameStr));
   EXPECT_EQ(ERROR_SUCCESS, test_key_.ReadValueDW(kNameStr, &read_dword_out));
   EXPECT_EQ(read_dword_out, kDword1);
 
   EXPECT_EQ(1, callback_invocation_count);
 }