test/vfork00: mark vfork test as expected to fail
test/vfork00: mark vfork test as expected to fail

We don't have a way to dump proccess blocked in vfork(), hence
mark this test as expected to fail.

Signed-off-by: Andrey Ryabinin <1db0f9e76dd8a9115570382660c6cd919b5a95b9@virtuozzo.com>
Cc: Andrew Vagin <74c05afa918858348d6db8037d82fa8124870113@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <c9a32589e048e044184536f7ac71ef92fe82df3e@virtuozzo.com>

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