CLONE - File search and breadcrumb works for File system repository

NOTE: This test requires access to webserver.

1. Create a directory A in moodledata/repository
2. Load the directory with files and folders
   • Use several level of depth
   • Use complex file names (special characters, spaces, ...)
3. Create a new instance of the File System repository pointing to A.
4. Browse the repository and make sure it works as expected: you can browse and save files.
   • Also confirm that the breadcrumb is fully functional
5. Use the search and confirm that it finds the relevant results.
   • Confirm that more results load automatically (every 50 hits)
   • Confirm that you can go in sub directories and go back to search results (breadcrumb)
   • Confirm that you can download files from the search results

Note: Symlinks are not supported.