public class Verifier
{
    public Verifier (Intcode computer, boolean debug)
    {
        _theComputer = computer;
        _debug = debug;
    }

    public void verify ()
    {
        String[] values = TEST_CODE_1.split(Intcode.DELIMITER);
        String str = null;

        if (_debug)
            System.out.println("Verifying "+TEST_CODE_1);

        _theComputer.parseAndExecute(values);
    }

    private String convert (String[] values)
    {
        String str = values[0];

        for (int i = 1; i < values.length; i++)
            str += Intcode.DELIMITER + values[i];

        return str;
    }

    private Intcode _theComputer = null;
    private boolean _debug = false;

    private static final String TEST_CODE_1 = "1002,4,3,4,33";
    private static final String TEST_RESULT_1 = "";
}
@@ -730,16 +730,128 @@
 CODE_1 =
+ %223,0,4,0,99%22;%0A    private static final String TEST_RESULT_1 = %22%22;%0A    private static final String TEST_CODE_2 =
  %221002,4
@@ -900,21 +900,21 @@
 TEST_RESULT_
-1
+2
  = %22%22;%0A%7D

Update Verifier.java