Simplify tests by using SetUp / TearDown
Simplify tests by using SetUp / TearDown

Change-Id: I14b61472d1ec89e347d597e5687fa121505f5e2b
Reviewed-on: http://review.couchbase.org/50458
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Mark Nunberg <dab05a0fe859c5cb93882b2a75a0d613501b07be@couchbase.com>

mnunberg/subjson,mnunberg/subjson