Move test from lean.cpp
Move test from lean.cpp

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

codyroux/lean0.1,johoelzl/lean,UlrikBuchholtz/lean,leanprover/lean,dselsam/lean,levnach/lean,rlewis1988/lean,c-cube/lean,soonhokong/lean,fgdorais/lean,Kha/lean,c-cube/lean,javra/lean,UlrikBuchholtz/lean,fgdorais/lean,leanprover-community/lean,dselsam/lean,leodemoura/lean,codyroux/lean0.1,johoelzl/lean,javra/lean,soonhokong/lean-windows,c-cube/lean,soonhokong/lean,sp3ctum/lean,Kha/lean,digama0/lean,soonhokong/lean,leanprover/lean,Kha/lean,c-cube/lean,eigengrau/lean,johoelzl/lean,fgdorais/lean,javra/lean,leanprover-community/lean,soonhokong/lean-osx,soonhokong/lean,htzh/lean,soonhokong/travis_test,fgdorais/lean,leodemoura/lean,avigad/lean,fpvandoorn/lean2,sp3ctum/lean,digama0/lean,sp3ctum/lean,soonhokong/lean-windows,htzh/lean,soonhokong/travis_test,soonhokong/lean-windows,digama0/lean,dselsam/lean,johoelzl/lean,rlewis1988/lean,soonhokong/lean-windows,fpvandoorn/lean,eigengrau/lean,levnach/lean,fgdorais/lean,dselsam/lean,leanprover-community/lean,htzh/lean,fpvandoorn/lean2,eigengrau/lean,leanprover-community/lean,avigad/lean,htzh/lean,digama0/lean,codyroux/lean0.1,UlrikBuchholtz/lean,sp3ctum/lean,soonhokong/lean-osx,soonhokong/lean-osx,fpvandoorn/lean,leodemoura/lean,sp3ctum/lean,rlewis1988/lean,rlewis1988/lean,avigad/lean,UlrikBuchholtz/lean,johoelzl/lean,c-cube/lean,fpvandoorn/lean,soonhokong/lean-osx,avigad/lean,soonhokong/travis_test,eigengrau/lean,codyroux/lean0.1,avigad/lean,digama0/lean,fpvandoorn/lean2,htzh/lean,soonhokong/lean,fpvandoorn/lean,leanprover/lean,levnach/lean,rlewis1988/lean,Kha/lean,soonhokong/lean-osx,digama0/lean,leanprover-community/lean,leanprover/lean,soonhokong/travis_test,UlrikBuchholtz/lean,leanprover/lean,fpvandoorn/lean,Kha/lean,leodemoura/lean,eigengrau/lean,leanprover/lean,rlewis1988/lean,avigad/lean,soonhokong/lean-windows,javra/lean,fgdorais/lean,levnach/lean,leodemoura/lean,fpvandoorn/lean,leodemoura/lean,fpvandoorn/lean2,javra/lean,fpvandoorn/lean2,leanprover-community/lean,levnach/lean,dselsam/lean,Kha/lean,johoelzl/lean,dselsam/lean