Reader transformedReader = filterChain.transform(new StringReader("\\n\\t\\\\"));
        assertThat(IOUtils.toString(transformedReader), equalTo("\n\t\\"));
    }

    @Test
    public void doNotConvertsBackslashesIfEscaped() throws IOException {
        filterChain.expand(Collections.emptyMap(), escapeBackslashProperty().value(true));
        Reader transformedReader = filterChain.transform(new StringReader("\\n\\t\\\\"));