test(dreal/util/box): re-enable is_nothrow_move_constructible test
test(dreal/util/box): re-enable is_nothrow_move_constructible test

dreal/dreal4,dreal/dreal4,dreal/dreal4,soonho-tri/dreal4,dreal/dreal4,soonho-tri/dreal4,soonho-tri/dreal4,soonho-tri/dreal4