Fail tests fast if overriding the Windows registry fails.

chrome/install_static/product_install_details_unittest.cc

 // Copyright 2016 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/install_static/product_install_details.h"
 
 #include "base/base_paths.h"
 #include "base/files/file_path.h"
 #include "base/i18n/case_conversion.h"
 #include "base/macros.h"
@@ skipping 155 matching lines @@
 }  // namespace
 
 // Test that MakeProductDetails properly sniffs out an install's details.
 class MakeProductDetailsTest : public testing::TestWithParam<TestData> {
  protected:
   MakeProductDetailsTest()
       : test_data_(GetParam()),
         root_key_(test_data_.system_level ? HKEY_LOCAL_MACHINE
                                           : HKEY_CURRENT_USER),
         nt_root_key_(test_data_.system_level ? nt::HKLM : nt::HKCU) {
-    base::string16 path;
-    override_manager_.OverrideRegistry(root_key_, &path);
-    nt::SetTestingOverride(nt_root_key_, path);
   }
 
   ~MakeProductDetailsTest() {
     nt::SetTestingOverride(nt_root_key_, base::string16());
   }
 
+  void SetUp() override {
+    base::string16 path;
+    ASSERT_NO_FATAL_FAILURE(
+        override_manager_.OverrideRegistry(root_key_, &path));
+    nt::SetTestingOverride(nt_root_key_, path);
+  }
+
   const TestData& test_data() const { return test_data_; }
 
   void SetAp(const wchar_t* value) {
     ASSERT_THAT(base::win::RegKey(root_key_, GetClientStateKeyPath().c_str(),
                                   KEY_WOW64_32KEY | KEY_SET_VALUE)
                     .WriteValue(L"ap", value),
                 Eq(ERROR_SUCCESS));
   }
 
  private:
@@ skipping 89 matching lines @@
       EXPECT_THAT(details->channel(), StrEq(test_data().channel));
     }
   }
 }
 
 INSTANTIATE_TEST_CASE_P(All,
                         MakeProductDetailsTest,
                         testing::ValuesIn(kTestData));
 
 }  // namespace install_static