init tests/database_callbacks.exe

_l1 = database_callbacks:VariableTarget

labelset _l1, test
assertlastop mod.hash(mod.base(_l1)), (_l1-mod.base(_l1)), l, a, 0, test

labeldel _l1
assertlastop mod.hash(mod.base(_l1)), (_l1-mod.base(_l1)), l, r, 0
