Revert "unittests: adapt tests-netreg"
Revert "unittests: adapt tests-netreg"

This reverts commit a7b778938875aa546e6c8e88e000ce3bcb5e339d.

smlng/RIOT,biboc/RIOT,A-Paul/RIOT,LudwigKnuepfer/RIOT,OlegHahm/RIOT,josephnoir/RIOT,x3ro/RIOT,cladmi/RIOT,BytesGalore/RIOT,josephnoir/RIOT,basilfx/RIOT,mfrey/RIOT,mfrey/RIOT,authmillenon/RIOT,RIOT-OS/RIOT,jasonatran/RIOT,mfrey/RIOT,biboc/RIOT,LudwigOrtmann/RIOT,gebart/RIOT,OTAkeys/RIOT,toonst/RIOT,authmillenon/RIOT,kbumsik/RIOT,mtausig/RIOT,BytesGalore/RIOT,rfuentess/RIOT,mtausig/RIOT,A-Paul/RIOT,kYc0o/RIOT,biboc/RIOT,jasonatran/RIOT,OlegHahm/RIOT,rfuentess/RIOT,aeneby/RIOT,OTAkeys/RIOT,lazytech-org/RIOT,smlng/RIOT,toonst/RIOT,rfuentess/RIOT,x3ro/RIOT,RIOT-OS/RIOT,neiljay/RIOT,gebart/RIOT,kbumsik/RIOT,josephnoir/RIOT,jasonatran/RIOT,LudwigOrtmann/RIOT,ant9000/RIOT,miri64/RIOT,RIOT-OS/RIOT,RIOT-OS/RIOT,kaspar030/RIOT,toonst/RIOT,LudwigOrtmann/RIOT,BytesGalore/RIOT,A-Paul/RIOT,avmelnikoff/RIOT,aeneby/RIOT,lazytech-org/RIOT,rfuentess/RIOT,ant9000/RIOT,miri64/RIOT,kaspar030/RIOT,neiljay/RIOT,cladmi/RIOT,basilfx/RIOT,A-Paul/RIOT,yogo1212/RIOT,mtausig/RIOT,authmillenon/RIOT,neiljay/RIOT,josephnoir/RIOT,LudwigOrtmann/RIOT,x3ro/RIOT,cladmi/RIOT,OTAkeys/RIOT,RIOT-OS/RIOT,avmelnikoff/RIOT,x3ro/RIOT,avmelnikoff/RIOT,authmillenon/RIOT,OlegHahm/RIOT,kaspar030/RIOT,aeneby/RIOT,mtausig/RIOT,neiljay/RIOT,smlng/RIOT,rfuentess/RIOT,OTAkeys/RIOT,toonst/RIOT,LudwigKnuepfer/RIOT,lazytech-org/RIOT,mfrey/RIOT,aeneby/RIOT,LudwigKnuepfer/RIOT,kYc0o/RIOT,avmelnikoff/RIOT,miri64/RIOT,x3ro/RIOT,avmelnikoff/RIOT,authmillenon/RIOT,miri64/RIOT,kYc0o/RIOT,cladmi/RIOT,ant9000/RIOT,jasonatran/RIOT,miri64/RIOT,LudwigOrtmann/RIOT,LudwigKnuepfer/RIOT,gebart/RIOT,mtausig/RIOT,ant9000/RIOT,kbumsik/RIOT,authmillenon/RIOT,yogo1212/RIOT,OTAkeys/RIOT,biboc/RIOT,kYc0o/RIOT,BytesGalore/RIOT,biboc/RIOT,lazytech-org/RIOT,josephnoir/RIOT,gebart/RIOT,neiljay/RIOT,smlng/RIOT,lazytech-org/RIOT,OlegHahm/RIOT,smlng/RIOT,BytesGalore/RIOT,yogo1212/RIOT,yogo1212/RIOT,basilfx/RIOT,kbumsik/RIOT,LudwigOrtmann/RIOT,LudwigKnuepfer/RIOT,aeneby/RIOT,yogo1212/RIOT,kbumsik/RIOT,ant9000/RIOT,kYc0o/RIOT,toonst/RIOT,basilfx/RIOT,gebart/RIOT,yogo1212/RIOT,basilfx/RIOT,OlegHahm/RIOT,jasonatran/RIOT,A-Paul/RIOT,mfrey/RIOT,kaspar030/RIOT,kaspar030/RIOT,cladmi/RIOT