}

    // Test executePython with blank filename
    public void test_executePython_blankFilename() {
        pythonJob.filename("");

        try {
            pythonJob.executePython();
            fail("Should throw JobProcessingException");
        } catch (JobProcessingException e) {

            jobExecutor.addShutdownListener(() -> ComponentUtil.getProcessHelper().destroyProcess(sessionId));
        }

        final TimeoutTask timeoutTask = createTimeoutTask();
        try {
            executePython();
        } catch (final Exception e) {
            logger.warn("Failed to run python command.", e);
            resultBuf.append(e.getMessage()).append("\n");
        } finally {