assertEquals("llama3", response.getModel());

        response.setModel("gpt-3.5-turbo");
        assertEquals("gpt-3.5-turbo", response.getModel());
    }

    @Test
    public void test_nullValues() {
        final LlmChatResponse response = new LlmChatResponse("Initial");
        response.setContent(null);
        response.setFinishReason(null);
        response.setPromptTokens(null);

                }
            });

            assertEquals(hostname, ComponentUtil.getFessConfig().getMailHostname());
        }
    }

    // Test with null values
    @Test
    public void test_nullValues() {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public String getMailFromName() {

        assertFalse(item.isDirectory());
        assertEquals(2048576L, item.getSize());
        assertEquals(now, item.getLastModified());
    }

    public void test_nullValues() {
        final StorageItem item = new StorageItem(null, null, false, 0L, null, null);

        assertNull(item.getName());
        assertNull(item.getPath());
        assertFalse(item.isDirectory());

        assertEquals("plugin", RequestTrace.CONTEXT_PLUGIN);
        assertEquals("project", RequestTrace.CONTEXT_PROJECT);
        assertEquals("bootstrap", RequestTrace.CONTEXT_BOOTSTRAP);
    }

    @Test
    void testNullValues() {
        RequestTrace trace = new RequestTrace(null, null, null);
        assertNull(trace.context());
        assertNull(trace.parent());
        assertNull(trace.data());
    }

    @Test

        assertTrue(docMap.containsValue("value1"));
        assertTrue(docMap.containsValue(null));
        assertFalse(docMap.containsValue("nonexistent"));
    }

    @Test
    public void test_null_values() {
        Map<String, Object> parentMap = new HashMap<>();
        DocMap docMap = new DocMap(parentMap);

        docMap.put("nullKey", null);
        assertTrue(docMap.containsKey("nullKey"));