refactor #adapter_spec  - 2.times code seemed really hard to grasp - predictable order of ArJdbc (adapter) DB vendor matching
refactor #adapter_spec 
- 2.times code seemed really hard to grasp
- predictable order of ArJdbc (adapter) DB vendor matching
kares/activerecord-jdbc-adapter,keeguon/activerecord-jdbc-adapter,bruceadams/activerecord-jdbc-adapter,keeguon/activerecord-jdbc-adapter,bruceadams/activerecord-jdbc-adapter,keeguon/activerecord-jdbc-adapter,jruby/activerecord-jdbc-adapter,kares/activerecord-jdbc-adapter,kares/activerecord-jdbc-adapter,bruceadams/activerecord-jdbc-adapter,jruby/activerecord-jdbc-adapter,jruby/activerecord-jdbc-adapter