Fixup observe test failure
Fixup observe test failure

Change-Id: Ib10d39ab9bb8a85706189f8d88e94ce56b20fee9
Reviewed-on: http://review.couchbase.org/29202
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>
Tested-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>

couchbase/php-ext-couchbase,couchbase/php-ext-couchbase,couchbase/php-ext-couchbase,couchbase/php-ext-couchbase,couchbase/php-ext-couchbase