unittests/tests-spiffs: add partition test
unittests/tests-spiffs: add partition test

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