MB-13930 Update the unit test for in-memory snapshot on dirty HB+trie
MB-13930 Update the unit test for in-memory snapshot on dirty HB+trie

Change-Id: Id5da575035438e929c133d457f741441f9fbf4ba

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