assertEquals("-XX:+UseG1GC", execJob.jvmOptions.get(2));
    }

    // Test lastaEnv setter
    @Test
    public void test_lastaEnv() {
        String testEnv = "production";
        ExecJob result = execJob.lastaEnv(testEnv);
        assertEquals(testEnv, execJob.lastaEnv);
        assertSame(execJob, result);
    }

    // Test addSystemProperty method
    @Test