@Override
    public FileReference addBlob(String name, ByteBuffer blob) {
        name = "./" + name;
        FileReference fileReference = addFileInterface.addBlob(blob, Path.fromString(name));

        entries.add(new Entry(name, fileReference));
        return fileReference;
    }
A file registry for config server tests

@author hmusum
configserver/src/test/java/com/yahoo/vespa/config/server/filedistribution/MockFileRegistry.java