public static Attachment fromBinaryInputStream( InputStream inputStream, MediaType mediaType ) throws IOException {
        return fromBinaryBytes( ByteStreams.toByteArray( inputStream ), mediaType );
    }
Creates an attachment from a binary input stream.
The content of the stream will be transformed into a Base64 encoded string
@throws IOException if an I/O error occurs
@throws java.lang.IllegalArgumentException if mediaType is not binary
jgiven-core/src/main/java/com/tngtech/jgiven/attachment/Attachment.java