Disable LoggingTest.CheckStreamsAreLazy/Dcheck tests due to flakiness.

base/logging_unittest.cc

 // Copyright (c) 2011 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 "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/macros.h"
 
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 167 matching lines @@
   InitLogging(settings);
 
   LOG(INFO) << mock_log_source.Log();
   LOG(WARNING) << mock_log_source.Log();
   LOG(ERROR) << mock_log_source_error.Log();
 }
 
 // Official builds have CHECKs directly call BreakDebugger.
 #if !defined(OFFICIAL_BUILD)
 
-TEST_F(LoggingTest, CheckStreamsAreLazy) {
+// https://crbug.com/709067 tracks test flakiness on iOS.
+#if defined(OS_IOS)
+#define MAYBE_CheckStreamsAreLazy DISABLED_CheckStreamsAreLazy
+#else
+#define MAYBE_CheckStreamsAreLazy CheckStreamsAreLazy
+#endif
+TEST_F(LoggingTest, MAYBE_CheckStreamsAreLazy) {
   MockLogSource mock_log_source, uncalled_mock_log_source;
   EXPECT_CALL(mock_log_source, Log()).Times(8).
       WillRepeatedly(Return("check message"));
   EXPECT_CALL(uncalled_mock_log_source, Log()).Times(0);
 
   SetLogAssertHandler(&LogSink);
 
   CHECK(mock_log_source.Log()) << uncalled_mock_log_source.Log();
   PCHECK(!mock_log_source.Log()) << mock_log_source.Log();
   CHECK_EQ(mock_log_source.Log(), mock_log_source.Log())
@@ skipping 180 matching lines @@
 }
 
 void DcheckEmptyFunction1() {
   // Provide a body so that Release builds do not cause the compiler to
   // optimize DcheckEmptyFunction1 and DcheckEmptyFunction2 as a single
   // function, which breaks the Dcheck tests below.
   LOG(INFO) << "DcheckEmptyFunction1";
 }
 void DcheckEmptyFunction2() {}
 
-TEST_F(LoggingTest, Dcheck) {
+// https://crbug.com/709067 tracks test flakiness on iOS.
+#if defined(OS_IOS)
+#define MAYBE_Dcheck DISABLED_Dcheck
+#else
+#define MAYBE_Dcheck Dcheck
+#endif
+TEST_F(LoggingTest, MAYBE_Dcheck) {
 #if defined(NDEBUG) && !defined(DCHECK_ALWAYS_ON)
   // Release build.
   EXPECT_FALSE(DCHECK_IS_ON());
   EXPECT_FALSE(DLOG_IS_ON(DCHECK));
 #elif defined(NDEBUG) && defined(DCHECK_ALWAYS_ON)
   // Release build with real DCHECKS.
   SetLogAssertHandler(&LogSink);
   EXPECT_TRUE(DCHECK_IS_ON());
   EXPECT_TRUE(DLOG_IS_ON(DCHECK));
 #else
@@ skipping 102 matching lines @@
     std::wstring wstr = L"Hello World";
     std::ostringstream ostr;
     ostr << wstr;
     EXPECT_EQ("Hello World", ostr.str());
   }
 }  // namespace nested_test
 
 }  // namespace
 
 }  // namespace logging