@Override
    @Nullable
    public int[] readIntArray(@Nonnull String fieldName) throws IOException {
        return readIncompatibleField(fieldName, INT_ARRAY, super::readIntArray);
    }
@Test(expected = IncompatibleClassChangeError.class)
    public void testReadIntArray_IncompatibleClass() throws Exception {
        reader.readIntArray("byte");
    }