assertEquals("transformer3", result3.getTransformerName());

        assertEquals(1, transformer1.getTransformCallCount());
        assertEquals(1, transformer2.getTransformCallCount());
        assertEquals(1, transformer3.getTransformCallCount());
    }

    /**
     * Test concurrent transformer operations
     */
    public void test_concurrentOperations() throws Exception {

        assertEquals("customName", result.getTransformerName());
        assertEquals(1, transformer.getTransformCallCount());
        assertEquals("http://example.com/test", transformer.getLastResponseData().getUrl());

        // Reset and verify
        transformer.reset();
        assertEquals(0, transformer.getTransformCallCount());
        assertNull(transformer.getLastResponseData());

        // Name should persist after reset