assertEquals("item1", bean.getItems().get(0));
    }

    @Test
    void testPerformanceWithRepeatedCalls() throws Exception {
        TestBean bean1 = new TestBean();
        TestBean bean2 = new TestBean();
        PlexusConfiguration config = new XmlPlexusConfiguration("test");
        config.setValue("testValue");

        when(evaluator.evaluate("testValue")).thenReturn("testValue");