}

        @Override
        public String getResponseCharacterEncoding() {
            return null;
        }

        @Override
        public void setResponseCharacterEncoding(String encoding) {
        }
    }

    private static class TestJobExecutor extends JobExecutor {
        boolean shutdownListenerAdded = false;

        @Override

        }

        @Override
        public String getResponseCharacterEncoding() {
            return null;
        }

        @Override
        public void setResponseCharacterEncoding(String encoding) {
        }
    }

    private static class TestJobExecutor extends JobExecutor {
        boolean shutdownListenerAdded = false;

        @Override

        }

        @Override
        public String getResponseCharacterEncoding() {
            return "UTF-8";
        }

        @Override
        public void setResponseCharacterEncoding(String encoding) {
        }
    }

    // Mock ProcessHelper implementation
    private class MockProcessHelper extends ProcessHelper {
        private int exitValue = 0;