Fixed serialization test assertions
Fixed serialization test assertions

See http://stackoverflow.com/questions/27089062/comparing-slices-and-lifetimes

zargony/rust-fuse,lsm/rust-fuse,cuviper/rust-fuse,jroesch/rust-fuse,zsiciarz/rust-fuse,tkonolige/rust-fuse,ziyadparekh/rust-fuse