assertSame(execJob, result);
    }

    // Test logSuffix setter
    public void test_logSuffix() {
        String testSuffix = "test suffix";
        ExecJob result = execJob.logSuffix(testSuffix);
        assertEquals("test_suffix", execJob.logSuffix);
        assertSame(execJob, result);

        // Test with leading/trailing spaces
        result = execJob.logSuffix("  another suffix  ");