Go to your Private files Open your browser's dev tools On the network tab, throttle your speed to either Slow or Fast 3G connection. Drag and drop a file to the file manager. Let's call this file 1 Confirm that a progress bar with file 1's filename is being shown. Drag and drop another file to the file manager. Let's call this file 2. Confirm that a progress bar with file 2's filename is being shown. Confirm that file 1's filename and progress bar are no longer being shown while uploading file 2. Drag and drop 2 files to the file manager. Let's call these files 3 and 4. Confirm that file 1 and 2's names and progress bars are no longer being shown during upload. Confirm that file 3's file name and its progress bar will be shown followed by file 4's file name and progress bar.