[travis-ci] allow failures - yanother 9K BC timestamp issue + `` regression on 1.7.19
[travis-ci] allow failures - yanother 9K BC timestamp issue + `` regression on 1.7.19

test with older 1.7.18 until https://github.com/jruby/jruby/issues/3459 gets resolved
kares/activerecord-jdbc-adapter,keeguon/activerecord-jdbc-adapter,bruceadams/activerecord-jdbc-adapter,bruceadams/activerecord-jdbc-adapter,keeguon/activerecord-jdbc-adapter,kares/activerecord-jdbc-adapter,keeguon/activerecord-jdbc-adapter,jruby/activerecord-jdbc-adapter,bruceadams/activerecord-jdbc-adapter,jruby/activerecord-jdbc-adapter,kares/activerecord-jdbc-adapter,jruby/activerecord-jdbc-adapter