execJob.timeout = -1;
        assertNull(execJob.testCreateTimeoutTask());

        execJob.timeout = 0;
        assertNull(execJob.testCreateTimeoutTask());

        // Test with timeout set
        execJob.timeout = 10;
        execJob.sessionId = "test-session";
        TimeoutTask task = execJob.testCreateTimeoutTask();
        assertNotNull(task);

        // Clean up timeout task