Test AR integration with jdbcsqlite3 adapter on jruby

actionpack/test/active_record_unit.rb

@@ -51,7 +51,8 @@ def setup_connection
         if Object.const_defined?(:ActiveRecord)
           defaults = { :database => ':memory:' }
           begin
-            options = defaults.merge :adapter => 'sqlite3', :timeout => 500
+            adapter = defined?(JRUBY_VERSION) ? 'jdbcsqlite3' : 'sqlite3'
+            options = defaults.merge :adapter => adapter, :timeout => 500
             ActiveRecord::Base.establish_connection(options)
             ActiveRecord::Base.configurations = { 'sqlite3_ar_integration' => options }
             ActiveRecord::Base.connection