} catch (IllegalArgumentException e) {
            assertEquals("name or scriptEngine is null.", e.getMessage());
        }
    }

    // Test add method with both null parameters
    public void test_add_bothNull() {
        try {
            scriptEngineFactory.add(null, null);
            fail("Should throw IllegalArgumentException for null parameters");
        } catch (IllegalArgumentException e) {

        } catch (IllegalArgumentException e) {
            assertEquals("name or dataStore is null.", e.getMessage());
        }
    }

    // Test add method with both null parameters
    public void test_add_bothNull() {
        try {
            dataStoreFactory.add(null, null);
            fail("Should throw IllegalArgumentException");
        } catch (IllegalArgumentException e) {