Just a heads up. The networkmanager-1.8.4-2 packages in main-testing repo have some missing files or links to files that may cause wifi to not work. Downgrading to packages in main-updates (version 1.6.4) will correct this issue. Networkmanager packages are being worked on to correct this.
See also this thread.
Edit: https://forum3.openmandriva.org/t/qualcomm-atheros-ar9485-plugin-missing/1465