This will mask occasional 'wrongly marked me down' errors when valgrind
is running (it makes things generally slow).
Signed-off-by: Sage Weil <sage@inktank.com>
Eventually we can merge this into the fs suite, but for now it is useful
to segregate the test cases.
Start with a dup of basic and verify sections; add others later.
Signed-off-by: Sage Weil <sage@inktank.com>