test(lua): add normalize and type_check tests for terms containing metavariables
test(lua): add normalize and type_check tests for terms containing metavariables

Signed-off-by: Leonardo de Moura <7610bae85f2b530654cc716772f1fe653373e892@microsoft.com>

levnach/lean,soonhokong/lean,javra/lean,fpvandoorn/lean2,leodemoura/lean,avigad/lean,rlewis1988/lean,soonhokong/travis_test,soonhokong/lean,c-cube/lean,htzh/lean,UlrikBuchholtz/lean,javra/lean,rlewis1988/lean,UlrikBuchholtz/lean,fpvandoorn/lean,dselsam/lean,eigengrau/lean,htzh/lean,eigengrau/lean,levnach/lean,soonhokong/lean-windows,c-cube/lean,soonhokong/travis_test,rlewis1988/lean,leanprover-community/lean,c-cube/lean,fgdorais/lean,dselsam/lean,UlrikBuchholtz/lean,dselsam/lean,rlewis1988/lean,johoelzl/lean,htzh/lean,Kha/lean,sp3ctum/lean,leodemoura/lean,fgdorais/lean,avigad/lean,johoelzl/lean,johoelzl/lean,sp3ctum/lean,c-cube/lean,fpvandoorn/lean,leanprover-community/lean,johoelzl/lean,htzh/lean,fgdorais/lean,Kha/lean,digama0/lean,leanprover/lean,leanprover-community/lean,leanprover-community/lean,digama0/lean,sp3ctum/lean,Kha/lean,sp3ctum/lean,soonhokong/lean-windows,soonhokong/lean-windows,fgdorais/lean,avigad/lean,c-cube/lean,leanprover/lean,sp3ctum/lean,fpvandoorn/lean2,Kha/lean,leodemoura/lean,soonhokong/lean,leanprover/lean,eigengrau/lean,soonhokong/lean-osx,levnach/lean,htzh/lean,soonhokong/travis_test,leanprover-community/lean,digama0/lean,dselsam/lean,soonhokong/lean-osx,javra/lean,fpvandoorn/lean,fpvandoorn/lean2,johoelzl/lean,fgdorais/lean,soonhokong/lean,johoelzl/lean,leodemoura/lean,dselsam/lean,fpvandoorn/lean,leanprover/lean,leanprover/lean,avigad/lean,UlrikBuchholtz/lean,soonhokong/lean-windows,Kha/lean,fpvandoorn/lean2,Kha/lean,rlewis1988/lean,fgdorais/lean,soonhokong/lean,digama0/lean,rlewis1988/lean,javra/lean,eigengrau/lean,digama0/lean,javra/lean,fpvandoorn/lean,fpvandoorn/lean2,UlrikBuchholtz/lean,fpvandoorn/lean,levnach/lean,leanprover-community/lean,leodemoura/lean,soonhokong/travis_test,leodemoura/lean,digama0/lean,avigad/lean,levnach/lean,soonhokong/lean-windows,soonhokong/lean-osx,leanprover/lean,avigad/lean,soonhokong/lean-osx,dselsam/lean,eigengrau/lean,soonhokong/lean-osx