language metamodel tests: fixed and commented tests until ceylon/ceylon-spec#1162 is cleared up
language metamodel tests: fixed and commented tests until ceylon/ceylon-spec#1162 is cleared up

unratito/ceylon.language,ceylon/ceylon.language,jvasileff/ceylon.language,ceylon/ceylon.language,jvasileff/ceylon.language,unratito/ceylon.language