Fix leak in DurabilityUnitTest::testDuplicateCommands
Fix leak in DurabilityUnitTest::testDuplicateCommands

We should use the two-arg createConnection() which provides a scoped
'HandleWrap' object.

Change-Id: I83417944db0dd3d506214ef924618643119ad6f1
Reviewed-on: http://review.couchbase.org/43026
Tested-by: Mark Nunberg <e7d42768707bf23038325b0b68d4b577e5f6064a@haskalah.org>
Reviewed-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>

couchbase/libcouchbase,maxim-ky/libcouchbase,PureSwift/libcouchbase,avsej/libcouchbase,mnunberg/libcouchbase,signmotion/libcouchbase,avsej/libcouchbase,mody/libcouchbase,couchbase/libcouchbase,couchbase/libcouchbase,signmotion/libcouchbase,kojiromike/libcouchbase,senthilkumaranb/libcouchbase,PureSwift/libcouchbase,avsej/libcouchbase,mody/libcouchbase,avsej/libcouchbase,signmotion/libcouchbase,maxim-ky/libcouchbase,mnunberg/libcouchbase,PureSwift/libcouchbase,couchbase/libcouchbase,avsej/libcouchbase,senthilkumaranb/libcouchbase,signmotion/libcouchbase,couchbase/libcouchbase,mody/libcouchbase,maxim-ky/libcouchbase,mnunberg/libcouchbase,mnunberg/libcouchbase,kojiromike/libcouchbase,mody/libcouchbase,maxim-ky/libcouchbase,senthilkumaranb/libcouchbase,senthilkumaranb/libcouchbase,kojiromike/libcouchbase,couchbase/libcouchbase,PureSwift/libcouchbase,avsej/libcouchbase,avsej/libcouchbase,couchbase/libcouchbase,mnunberg/libcouchbase,kojiromike/libcouchbase