With latest Fuchsia SDK, these tests are failing in content_unittests (tested locally).

[00047.629] 02429.02462> 2 tests crashed:
[00047.629] 02429.02462>     NavigationURLLoaderTest.RequestFailedCertError (../../content/browser/loader/navigation_url_loader_unittest.cc:194)
[00047.629] 02429.02462>     NavigationURLLoaderTest.RequestFailedCertErrorFatal (../../content/browser/loader/navigation_url_loader_unittest.cc:218)


[00047.439] 02429.02462> [ RUN      ] NavigationURLLoaderTest.RequestFailedCertErrorFatal
[00047.439] 02429.02462> [3:1065191641:0831/170612.018879:47430656:ERROR:test_root_certs_fuchsia.cc(15)] Not implemented reached in bool net::TestRootCerts::Add(net::X509Certificate *)
[00047.439] 02429.02462> [3:1065191641:0831/170612.019013:47430791:FATAL:embedded_test_server.cc(80)] Check failed: added_root_certs. Failed to install root cert from EmbeddedTestServer
#00: base::debug::StackTrace::StackTrace(unsigned long) at base/debug/stack_trace_fuchsia.cc:173
#01: base::debug::StackTrace::StackTrace() at base/debug/stack_trace.cc:199
#02: logging::LogMessage::~LogMessage() at base/logging.cc:560
#03: pc 0x3e48e52dd85e (app:content_unittests,0xa3af85e)
#04: pc 0x3e48e52dd719 (app:content_unittests,0xa3af719)
#05: content::NavigationURLLoaderTest_RequestFailedCertErrorFatal_Test::TestBody() at content/browser/loader/navigation_url_loader_unittest.cc:219
#06: void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) at third_party/googletest/src/googletest/src/gtest.cc:2400
#07: void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) at third_party/googletest/src/googletest/src/gtest.cc:2453
#08: pc 0x3e48e05b6fd6 (app:content_unittests,0x5688fd6)
#09: pc 0x3e48e05b7b2d (app:content_unittests,0x5689b2d)
#10: testing::TestCase::Run() at third_party/googletest/src/googletest/src/gtest.cc:2771
#11: testing::internal::UnitTestImpl::RunAllTests() at third_party/googletest/src/googletest/src/gtest.cc:4676
#12: bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) at third_party/googletest/src/googletest/src/gtest.cc:2400
#13: bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) at third_party/googletest/src/googletest/src/gtest.cc:2453
#14: testing::UnitTest::Run() at third_party/googletest/src/googletest/src/gtest.cc:4285
#15: RUN_ALL_TESTS() at third_party/googletest/src/googletest/include/gtest/gtest.h:2237
#16: base::TestSuite::Run() at base/test/test_suite.cc:270
#17: content::UnitTestTestSuite::Run() at content/public/test/unittest_test_suite.cc:45
#18: int base::internal::FunctorTraits<int (content::UnitTestTestSuite::*)(), void>::Invoke<content::UnitTestTestSuite*>(int (content::UnitTestTestSuite::*)(), content::UnitTestTestSuite*&&) at base/bind_internal.h:194
#19: int base::internal::InvokeHelper<false, int>::MakeItSo<int (content::UnitTestTestSuite::* const&)(), content::UnitTestTestSuite*>(int (content::UnitTestTestSuite::* const&)(), content::UnitTestTestSuite*&&) at base/bind_internal.h:277
#20: int base::internal::Invoker<base::internal::BindState<int (content::UnitTestTestSuite::*)(), base::internal::UnretainedWrapper<content::UnitTestTestSuite> >, int ()>::RunImpl<int (content::UnitTestTestSuite::* const&)(), std::__1::tuple<base::internal::UnretainedWrapper<content::UnitTestTestSuite> > const&, 0ul>(int (content::UnitTestTestSuite::* const&)(), std::__1::tuple<base::internal::UnretainedWrapper<content::UnitTestTestSuite> > const&, std::__1::integer_sequence<unsigned long, 0ul>) at base/bind_internal.h:349
#21: base::internal::Invoker<base::internal::BindState<int (content::UnitTestTestSuite::*)(), base::internal::UnretainedWrapper<content::UnitTestTestSuite> >, int ()>::Run(base::internal::BindStateBase*) at base/bind_internal.h:331
#22: base::RepeatingCallback<int ()>::Run() const & at base/callback.h:92
#23: base::(anonymous namespace)::LaunchUnitTestsInternal(base::RepeatingCallback<int ()> const&, unsigned long, int, bool, base::RepeatingCallback<void ()> const&) at base/test/launcher/unit_test_launcher.cc:216
#24: base::LaunchUnitTests(int, char**, base::RepeatingCallback<int ()> const&) at base/test/launcher/unit_test_launcher.cc:475
#25: main at content/test/run_all_unittests.cc:20
#26: pc 0x528147066e8e (libc.so,0x1be8e)
[00047.440] 02429.02462>
[00047.440] 02429.02462> [4530/4533] NavigationURLLoaderTest.RequestFailedCertErrorFatal (CRASHED)