uploadFile = new File(getServletContext().getRealPath("/images/" + fileName));
        } else if (checkFileType(fileName, fessConfig.getSupportedUploadedCssExtentionsAsArray())
                && checkFileType(uploadedFileName, fessConfig.getSupportedUploadedCssExtentionsAsArray())) {
            expectedBaseDir = new File(baseDir, "css");
            uploadFile = new File(getServletContext().getRealPath("/css/" + fileName));

            }
        }
    }

    private static class TestServletContext implements ServletContext {
        File tempDir;

        @Override
        public String getRealPath(String path) {
            if (tempDir != null) {
                return new File(tempDir, path).getAbsolutePath();
            }
            return new File("/test/webapp", path).getAbsolutePath();
        }