MB-5453: Fixed random error in test_value_eviction
MB-5453: Fixed random error in test_value_eviction

Change-Id: I222c64e6682f8de5dd30425525b7891bad776a36
Reviewed-on: http://review.couchbase.org/16907
Tested-by: Chiyoung Seo <8b279095f11c26cc21045fda5a3e51debb005aa9@gmail.com>
Reviewed-by: Chiyoung Seo <8b279095f11c26cc21045fda5a3e51debb005aa9@gmail.com>

owendCB/ep-engine,couchbase/ep-engine,jimwwalker/ep-engine,owendCB/ep-engine,teligent-ru/ep-engine,daverigby/ep-engine,abhinavdangeti/ep-engine,teligent-ru/ep-engine,sriganes/ep-engine,daverigby/kv_engine,teligent-ru/ep-engine,hisundar/ep-engine,owendCB/ep-engine,jimwwalker/ep-engine,hisundar/ep-engine,daverigby/ep-engine,hisundar/ep-engine,jimwwalker/ep-engine,couchbase/ep-engine,daverigby/ep-engine,hisundar/ep-engine,membase/ep-engine,sriganes/ep-engine,jimwwalker/ep-engine,couchbase/ep-engine,abhinavdangeti/ep-engine,daverigby/kv_engine,couchbase/ep-engine,sriganes/ep-engine,daverigby/kv_engine,membase/ep-engine,membase/ep-engine,teligent-ru/ep-engine,membase/ep-engine,daverigby/ep-engine,abhinavdangeti/ep-engine,owendCB/ep-engine,sriganes/ep-engine,abhinavdangeti/ep-engine,abhinavdangeti/ep-engine,daverigby/kv_engine