presto-verifier/src/main/java/io/prestosql/verifier/Validator.java/Validator/tearDown
class Validator:    private QueryResult tearDown(Query query, List<QueryResult> postQueryResults, Function<String, QueryResult> executor)
    {
        postQueryResults.clear();
        for (String postqueryString : query.getPostQueries()) {
            QueryResult queryResult = executor.apply(postqueryString);
            postQueryResults.add(queryResult);
            if (queryResult.getState() != State.SUCCESS) {
                return new QueryResult(State.FAILED_TO_TEARDOWN, queryResult.getException(), queryResult.getWallTime(), queryResult.getCpuTime(), queryResult.getQueryId(), ImmutableList.of());
            }
        }

        return new QueryResult(State.SUCCESS, null, null, null, null, ImmutableList.of());
    }