private static FormBodyPart newFileBody(final String fileName, final String fileContent) {
        return FormBodyPartBuilder.create()
                .setBody(
                        new StringBody(fileContent, ContentType.TEXT_PLAIN) {
                            @Override public String getFilename() { return fileName; }
                            @Override public String getMimeType() { return ""; }
                            @Override public String getCharset() { return null; }
                        })
                .setName(fileName)
                .build();
    }
@author Oyvind Bakksjo
@author Simon Thoresen Hult
@author bjorncs
container-core/src/test/java/com/yahoo/jdisc/http/server/jetty/HttpServerTest.java