validate(size, expect, forbid);
}
static void dropCollection(final String coll) throws Exception {
final DBCollection collection = db.getCollection(coll);
collection.drop();
}
static void addTestData(final String dataResource, final String mongoCollection, final int minSizeIfExists) throws Exception {
final DBCollection collection = db.getCollection(mongoCollection);
if (collection.find().count() >= minSizeIfExists) {