}

    @Test
    public void canFilterUsingISO88591() throws IOException {
        canFilterUsingCharset("ISO_8859_1");
    }

    @Test
    public void canFilterUsingUTF8() throws IOException {
        canFilterUsingCharset("UTF8");
    }

    private void canFilterUsingCharset(String charset) throws IOException {
        FilterChain filterChainWithCharset = new FilterChain(charset);