public MainTest(int iterations, int mode, long seed) {
        super("testChronology");
        iIterations = iterations;
        iMode = mode;
        iSeed = seed;
        if (mode == GREGORIAN_MODE) {
            iTest = new TestGregorianChronology();
            iActual = GregorianChronology.getInstanceUTC();
        } else {
            iTest = new TestJulianChronology();
            iActual = JulianChronology.getInstanceUTC();
        }
    }