reverted tests database.yml to include sqlite.
reverted tests database.yml to include sqlite.

johnpmitsch/scoped_search,jlsherrill/scoped_search,lzap/scoped_search,jlsherrill/scoped_search,wvanbergen/scoped_search,wvanbergen/scoped_search,johnpmitsch/scoped_search,lzap/scoped_search