reproduce stream is closed

@Test
    public void doubleCall() throws IOException {
        Md5DigestOf md5DigestOf = new Md5DigestOf(
            new InputOf(
                new ResourceOf(
                    "org/cactoos/io/DigestEnvelope.class"
                ).stream()
            )
        );

        md5DigestOf.asBytes();
        md5DigestOf.asBytes();
    }