presto-verifier/src/main/java/io/prestosql/verifier/Validator.java/Validator/executePreAndMainForTest
class Validator:    private QueryResult executePreAndMainForTest()
    {
        return executePreAndMain(
                queryPair.getTest(),
                testPreQueryResults,
                testGateway,
                testUsername,
                testPassword,
                testTimeout,
                testPostQueryResults,
                testTeardownRetries);
    }