assertEquals(0, block.getBatchLimit((byte) 0x25));
    }

    @Test
    @DisplayName("encode without andx succeeds and signs when digest present")
    void testEncodeNoAndxWithSigning() throws Exception {
        DummyAndXBlock block = new DummyAndXBlock();
        TestSigningDigest digest = new TestSigningDigest();
        block.digest = digest;

        byte[] buf = new byte[256];