public void prepareTestS3Files(String s3keyPrefix,Path localTempPath,List<String> localFilePaths) throws Exception {
  prepareTestS3Files(s3keyPrefix,localTempPath,localFilePaths,new ArrayList<>());
}

public void prepareTestS3Files ( String s3keyPrefix , Path localTempPath , List < String > localFilePaths ) throws Exception { prepareTestS3Files ( s3keyPrefix , localTempPath , localFilePaths , new ArrayList < > ( ) ) ; }
creates specified list of files in the local temporary directory and uploads them to the test s3 bucket .
