add failing Database change listener test
add failing Database change listener test

Assertions marked with the comment "fails" currently fail, but should (I
think) pass.

cesine/couchbase-lite-android,vladoatanasov/couchbase-lite-android,Spotme/couchbase-lite-android,couchbase/couchbase-lite-android,cesine/couchbase-lite-android,netsense-sas/couchbase-lite-android,gotmyjobs/couchbase-lite-android,vladoatanasov/couchbase-lite-android,gotmyjobs/couchbase-lite-android,Spotme/couchbase-lite-android,msdgwzhy6/couchbase-lite-android,couchbase/couchbase-lite-android,vladoatanasov/couchbase-lite-android,cesine/couchbase-lite-android,msdgwzhy6/couchbase-lite-android,Spotme/couchbase-lite-android,Spotme/couchbase-lite-android,0359xiaodong/couchbase-lite-android,cesine/couchbase-lite-android,0359xiaodong/couchbase-lite-android,msdgwzhy6/couchbase-lite-android,netsense-sas/couchbase-lite-android,msdgwzhy6/couchbase-lite-android,vladoatanasov/couchbase-lite-android,0359xiaodong/couchbase-lite-android,netsense-sas/couchbase-lite-android,netsense-sas/couchbase-lite-android,0359xiaodong/couchbase-lite-android