added spec that fails under jruby: instantiated objects are of the wrong class
added spec that fails under jruby: instantiated objects are of the wrong class

tduehr/ffi,ffi/ffi,sparkchaser/ffi,yghannam/ffi,tduehr/ffi,majioa/ffi,yghannam/ffi,MikaelSmith/ffi,ffi/ffi,sparkchaser/ffi,ffi/ffi,mvz/ffi,tduehr/ffi,mvz/ffi,yghannam/ffi,tduehr/ffi,mvz/ffi,ferventcoder/ffi,majioa/ffi,sparkchaser/ffi,yghannam/ffi,MikaelSmith/ffi,ferventcoder/ffi,mvz/ffi,ferventcoder/ffi,majioa/ffi,majioa/ffi,ferventcoder/ffi,yghannam/ffi,MikaelSmith/ffi,sparkchaser/ffi,MikaelSmith/ffi