test swapping bnode entries
test swapping bnode entries

Change-Id: I10e4a49b465588e4ba654ecdc95b629d8a4927b6

jinxuan/forestdb,zhaog/forestdb,joliss/forestdb,nvoron23/forestdb,yyangpan/forestdb,joliss/forestdb,jinxuan/forestdb,sushmaad/forestdb,couchbase/forestdb,seem-sky/forestdb,hisundar/forestdb,nvoron23/forestdb,zhaog/forestdb,wurikiji/forestdb,couchbase/forestdb,wurikiji/forestdb,yyangpan/forestdb,seem-sky/forestdb,sushmaad/forestdb,hisundar/forestdb