See https://build.chromium.org/p/chromium.win/builders/Win10%20Tests%20x64/builds/8359 for example.

See also bug 688884

The following tests are failing for now.

PrefHashBrowserTestUntrustedAdditionToPrefsAfterWipeInstance/PrefHashBrowserTestUntrustedAdditionToPrefsAfterWipe.UntrustedAdditionToPrefsAfterWipe/1
PrefHashBrowserTestRegistryValidationFailureInstance/PrefHashBrowserTestRegistryValidationFailure.RegistryValidationFailure/3
PrefHashBrowserTestClearedAtomicInstance/PrefHashBrowserTestClearedAtomic.ClearedAtomic/3
PrefHashBrowserTestChangedAtomicInstance/PrefHashBrowserTestChangedAtomic.ChangedAtomic/0
PrefHashBrowserTestChangedAtomicInstance/PrefHashBrowserTestChangedAtomic.ChangedAtomic/3