Fix GPUTestConfigTest.LoadCurrentConfig on macOS Sierra.

gpu/config/gpu_test_expectations_parser_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 <stdint.h>
 
 #include "base/format_macros.h"
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "gpu/config/gpu_test_expectations_parser.h"
@@ skipping 18 matching lines @@
   { { "WIN7", GPUTestConfig::kOsWin7 }, kOsFamilyWin },
   { { "WIN8", GPUTestConfig::kOsWin8 }, kOsFamilyWin },
   { { "WIN10", GPUTestConfig::kOsWin10 }, kOsFamilyWin },
   { { "LEOPARD", GPUTestConfig::kOsMacLeopard }, kOsFamilyMac },
   { { "SNOWLEOPARD", GPUTestConfig::kOsMacSnowLeopard }, kOsFamilyMac },
   { { "LION", GPUTestConfig::kOsMacLion }, kOsFamilyMac },
   { { "MOUNTAINLION", GPUTestConfig::kOsMacMountainLion }, kOsFamilyMac },
   { { "MAVERICKS", GPUTestConfig::kOsMacMavericks }, kOsFamilyMac },
   { { "YOSEMITE", GPUTestConfig::kOsMacYosemite }, kOsFamilyMac },
   { { "ELCAPITAN", GPUTestConfig::kOsMacElCapitan }, kOsFamilyMac },
+  { { "SIERRA", GPUTestConfig::kOsMacSierra }, kOsFamilyMac },
   { { "LINUX", GPUTestConfig::kOsLinux },
     { "LINUX", GPUTestConfig::kOsLinux } },
   { { "CHROMEOS", GPUTestConfig::kOsChromeOS },
     { "CHROMEOS", GPUTestConfig::kOsChromeOS } },
   { { "ANDROID", GPUTestConfig::kOsAndroid },
     { "ANDROID", GPUTestConfig::kOsAndroid } }
 };
 
 TestOSEntry GetUnrelatedOS(const TestOSEntry& os) {
   return (os.os & kOsFamilyWin.os) ? kOsFamilyMac : kOsFamilyWin;
@@ skipping 294 matching lines @@
   EXPECT_FALSE(parser.LoadTestExpectations(text));
   EXPECT_NE(0u, parser.GetErrorMessages().size());
 }
 
 INSTANTIATE_TEST_CASE_P(GPUTestExpectationsParser,
                         GPUTestExpectationsParserParamTest,
                         ::testing::ValuesIn(kOSVersionsWithFamily));
 
 }  // namespace gpu