// When error path is taken, no blob should be parsed
        assertNull(resp.getBlob(), "Blob should be null on error path");
        assertNotNull(resp.getErrorData(), "Error data should be present");
        assertArrayEquals(err, resp.getErrorData());
    }

    @Test
    @DisplayName("Invalid structure size should throw during decode")
    void testInvalidStructureSizeThrows() {