// Initial state
        assertNull(testTransformer.getName());

        // Set name
        testTransformer.setName("testTransformer");
        assertEquals("testTransformer", testTransformer.getName());

        // Change name
        testTransformer.setName("changedName");
        assertEquals("changedName", testTransformer.getName());

        // Set null name

        assertEquals("testTransformer", testTransformer.getName());

        // Test with null name
        TestTransformer nullNameTransformer = new TestTransformer();
        assertNull(nullNameTransformer.getName());

        // Test with empty name
        TestTransformer emptyNameTransformer = new TestTransformer("");
        assertEquals("", emptyNameTransformer.getName());

        // Test with special characters

            return "test_session";
        }

        @Override
        public void stop() {
            stopCalled = true;
        }
    }

    private static class TestTransformer implements Transformer {
        @Override
        public Object getData(AccessResultData<?> accessResultData) {
            final Map<String, Object> map = new HashMap<>();