}

    @AfterEach
    void tearDown() {
        if (mockService != null) {
            mockService.close();
        }
    }

    @Test
    void testMockServiceLifecycle() throws Exception {
        assertNotNull(mockService.getAddress());
        assertTrue(mockService.getPort() > 0);
        assertEquals(0, mockService.getRegistrationCount());

        // Test registration