    @Test
    public void testNoMinusNoUnderscore() throws NoSuchAlgorithmException {

       for (int i = 0 ; i < 1000; i++){
           AuthKeyGen.AwsKeyPair keyPair  = AuthKeyGen.generateKeypair();
           System.out.println(keyPair);
           assertFalse(keyPair.awsAccessKeyId.contains("-"));
           assertFalse(keyPair.awsAccessKeyId.contains("_"));
           assertFalse(keyPair.awsSecretAccessKey.contains("-"));
           assertFalse(keyPair.awsSecretAccessKey.contains("_"));
       }
    }