when(mockConfig.getPid()).thenReturn(1234);
        response = new TestSmbComTransactionResponse(mockConfig);
    }

    @Test
    @DisplayName("Test constructor initialization with config only")
    void testConstructorWithConfigOnly() {
        TestSmbComTransactionResponse resp = new TestSmbComTransactionResponse(mockConfig);
        assertNotNull(resp);
        assertEquals(0, resp.getSubCommand());