unittests/nanocoap: add server side tests
unittests/nanocoap: add server side tests

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