Don't test liboboe specific stuff under JRuby
Don't test liboboe specific stuff under JRuby

tlunter/oboe-ruby,boyang-li/oboe-ruby,appneta/ruby-traceview,appneta/ruby-traceview,tlunter/oboe-ruby,appneta/ruby-traceview,boyang-li/oboe-ruby,boyang-li/oboe-ruby,appneta/ruby-traceview,tlunter/oboe-ruby,tlunter/oboe-ruby,boyang-li/oboe-ruby