lint: tests: fix improper use of format specifiers
lint: tests: fix improper use of format specifiers

bartfaizoltan/RIOT,nsol-nmsu/RIOT,mfrey/RIOT,attdona/RIOT,MohmadAyman/RIOT,lebrush/RIOT,wentaoshang/RIOT,hamilton-mote/RIOT-OS,AnonMall/RIOT,basilfx/RIOT,ximus/RIOT,robixnai/RIOT,backenklee/RIOT,jfischer-phytec-iot/RIOT,EmuxEvans/RIOT,RBartz/RIOT,Lexandro92/RIOT-CoAP,automote/RIOT,ntrtrung/RIOT,luciotorre/RIOT,plushvoxel/RIOT,kerneltask/RIOT,watr-li/RIOT,koenning/RIOT,herrfz/RIOT-old,tfar/RIOT,msolters/RIOT,sumanpanchal/RIOT,herrfz/RIOT,immesys/RiSyn,jhollister/RIOT,immesys/RiSyn,authmillenon/RIOT,centurysys/RIOT,lazytech-org/RIOT,herrfz/RIOT,sgso/RIOT,alex1818/RIOT,attdona/RIOT,dkm/RIOT,smlng/RIOT,jferreir/RIOT,EmuxEvans/RIOT,sgso/RIOT,immesys/RiSyn,mtausig/RIOT,miri64/RIOT,yogo1212/RIOT,jasonatran/RIOT,EmuxEvans/RIOT,Yonezawa-T2/RIOT,gautric/RIOT,wentaoshang/RIOT,FrancescoErmini/RIOT,patkan/RIOT,tdautc19841202/RIOT,malosek/RIOT,alex1818/RIOT,automote/RIOT,rfswarm/RIOT,sgso/RIOT,RubikonAlpha/RIOT,abp719/RIOT,latsku/RIOT,patkan/RIOT,1blankz7/RIOT,biboc/RIOT,1blankz7/RIOT,Osblouf/RIOT,watr-li/RIOT,TobiasFredersdorf/RIOT,brettswann/RIOT,msolters/RIOT,ThanhVic/RIOT,MohmadAyman/RIOT,syin2/RIOT,Josar/RIOT,mtausig/RIOT,immesys/RiSyn,benoit-canet/RIOT,l3nko/RIOT,yogo1212/RIOT,openkosmosorg/RIOT,yogo1212/RIOT,roberthartung/RIOT,marcosalm/RIOT,latsku/RIOT,1blankz7/RIOT,A-Paul/RIOT,ntrtrung/RIOT,l3nko/RIOT,thiagohd/RIOT,rfuentess/RIOT,roberthartung/RIOT,wentaoshang/RIOT,JensErdmann/RIOT,changbiao/RIOT,katezilla/RIOT,kaleb-himes/RIOT,jremmert-phytec-iot/RIOT,EmuxEvans/RIOT,basilfx/RIOT,changbiao/RIOT,rajma996/RIOT,robixnai/RIOT,MarkXYang/RIOT,herrfz/RIOT-old,mziegert/RIOT,rousselk/RIOT,sgso/RIOT,backenklee/RIOT,ThanhVic/RIOT,smlng/RIOT,kYc0o/RIOT,LudwigKnuepfer/RIOT,rfswarm/RIOT,kb2ma/RIOT,gbarnett/RIOT,centurysys/RIOT,brettswann/RIOT,syin2/RIOT,Lexandro92/RIOT-CoAP,fnack/RIOT,marcosalm/RIOT,rajma996/RIOT,dailab/RIOT,lazytech-org/RIOT,cladmi/RIOT,kerneltask/RIOT,RubikonAlpha/RIOT,kbumsik/RIOT,smlng/RIOT,neiljay/RIOT,abp719/RIOT,FrancescoErmini/RIOT,jferreir/RIOT,Ell-i/RIOT,sumanpanchal/RIOT,kYc0o/RIOT,rfuentess/RIOT,authmillenon/RIOT,thiagohd/RIOT,RubikonAlpha/RIOT,arvindpdmn/RIOT,automote/RIOT,abkam07/RIOT,avmelnikoff/RIOT,ntrtrung/RIOT,brettswann/RIOT,kaspar030/RIOT,lebrush/RIOT,kushalsingh007/RIOT,jremmert-phytec-iot/RIOT,adjih/RIOT,1blankz7/RIOT,jasonatran/RIOT,mfrey/RIOT,JensErdmann/RIOT,d00616/RIOT,gbarnett/RIOT,rajma996/RIOT,altairpearl/RIOT,mziegert/RIOT,gautric/RIOT,kbumsik/RIOT,emmanuelsearch/RIOT,rousselk/RIOT,latsku/RIOT,l3nko/RIOT,gautric/RIOT,syin2/RIOT,FrancescoErmini/RIOT,brettswann/RIOT,lebrush/RIOT,x3ro/RIOT,cladmi/RIOT,FrancescoErmini/RIOT,ntrtrung/RIOT,malosek/RIOT,A-Paul/RIOT,attdona/RIOT,mziegert/RIOT,jasonatran/RIOT,brettswann/RIOT,binarylemon/RIOT,plushvoxel/RIOT,MonsterCode8000/RIOT,ntrtrung/RIOT,neiljay/RIOT,Osblouf/RIOT,sgso/RIOT,asanka-code/RIOT,gbarnett/RIOT,ThanhVic/RIOT,jhollister/RIOT,jhollister/RIOT,adrianghc/RIOT,patkan/RIOT,jferreir/RIOT,MohmadAyman/RIOT,gbarnett/RIOT,MonsterCode8000/RIOT,luciotorre/RIOT,authmillenon/RIOT,Osblouf/RIOT,rfuentess/RIOT,luciotorre/RIOT,fnack/RIOT,LudwigOrtmann/RIOT,herrfz/RIOT,haoyangyu/RIOT,AnonMall/RIOT,OTAkeys/RIOT,Lexandro92/RIOT-CoAP,altairpearl/RIOT,herrfz/RIOT-old,BytesGalore/RIOT,changbiao/RIOT,kaspar030/RIOT,openkosmosorg/RIOT,jasonatran/RIOT,MarkXYang/RIOT,Hyungsin/RIOT-OS,thomaseichinger/RIOT,kYc0o/RIOT,miri64/RIOT,josephnoir/RIOT,kYc0o/RIOT,rajma996/RIOT,jbeyerstedt/RIOT-OTA-update,luciotorre/RIOT,kb2ma/RIOT,chris-wood/RIOT,MarkXYang/RIOT,jfischer-phytec-iot/RIOT,toonst/RIOT,Lexandro92/RIOT-CoAP,LudwigKnuepfer/RIOT,basilfx/RIOT,authmillenon/RIOT,katezilla/RIOT,emmanuelsearch/RIOT,rajma996/RIOT,avmelnikoff/RIOT,watr-li/RIOT,x3ro/RIOT,kushalsingh007/RIOT,phiros/RIOT,zhuoshuguo/RIOT,jfischer-phytec-iot/RIOT,asanka-code/RIOT,LudwigOrtmann/RIOT,abp719/RIOT,kb2ma/RIOT,rfuentess/RIOT,benoit-canet/RIOT,lazytech-org/RIOT,Darredevil/RIOT,adrianghc/RIOT,aeneby/RIOT,TobiasFredersdorf/RIOT,jhollister/RIOT,gbarnett/RIOT,rousselk/RIOT,alex1818/RIOT,RIOT-OS/RIOT,automote/RIOT,kushalsingh007/RIOT,thiagohd/RIOT,kushalsingh007/RIOT,Hyungsin/RIOT-OS,neumodisch/RIOT,stevenj/RIOT,RBartz/RIOT,lebrush/RIOT,nsol-nmsu/RIOT,mziegert/RIOT,msolters/RIOT,thiagohd/RIOT,mtausig/RIOT,Yonezawa-T2/RIOT,fnack/RIOT,kerneltask/RIOT,PSHIVANI/Riot-Code,ks156/RIOT,rfswarm2/RIOT,centurysys/RIOT,khhhh/RIOT,immesys/RiSyn,koenning/RIOT,daniel-k/RIOT,latsku/RIOT,biboc/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,DipSwitch/RIOT,kerneltask/RIOT,JensErdmann/RIOT,ximus/RIOT,patkan/RIOT,rfswarm/RIOT,neiljay/RIOT,stevenj/RIOT,yogo1212/RIOT,BytesGalore/RIOT,dkm/RIOT,toonst/RIOT,josephnoir/RIOT,1blankz7/RIOT,josephnoir/RIOT,rousselk/RIOT,d00616/RIOT,malosek/RIOT,Ell-i/RIOT,EmuxEvans/RIOT,kb2ma/RIOT,cladmi/RIOT,adjih/RIOT,tdautc19841202/RIOT,toonst/RIOT,changbiao/RIOT,AnonMall/RIOT,binarylemon/RIOT,haoyangyu/RIOT,roberthartung/RIOT,Hyungsin/RIOT-OS,emmanuelsearch/RIOT,nsol-nmsu/RIOT,OTAkeys/RIOT,jfischer-phytec-iot/RIOT,jremmert-phytec-iot/RIOT,ant9000/RIOT,OlegHahm/RIOT,Josar/RIOT,asanka-code/RIOT,openkosmosorg/RIOT,kaleb-himes/RIOT,FrancescoErmini/RIOT,dailab/RIOT,arvindpdmn/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,hamilton-mote/RIOT-OS,phiros/RIOT,avmelnikoff/RIOT,beurdouche/RIOT,rajma996/RIOT,thomaseichinger/RIOT,OlegHahm/RIOT,chris-wood/RIOT,mfrey/RIOT,emmanuelsearch/RIOT,binarylemon/RIOT,dkm/RIOT,MarkXYang/RIOT,daniel-k/RIOT,miri64/RIOT,Lexandro92/RIOT-CoAP,Yonezawa-T2/RIOT,adjih/RIOT,ximus/RIOT,lazytech-org/RIOT,openkosmosorg/RIOT,MarkXYang/RIOT,thiagohd/RIOT,luciotorre/RIOT,kbumsik/RIOT,kaspar030/RIOT,LudwigKnuepfer/RIOT,PSHIVANI/Riot-Code,brettswann/RIOT,A-Paul/RIOT,sumanpanchal/RIOT,rakendrathapa/RIOT,josephnoir/RIOT,alex1818/RIOT,biboc/RIOT,abkam07/RIOT,A-Paul/RIOT,tdautc19841202/RIOT,l3nko/RIOT,kushalsingh007/RIOT,neiljay/RIOT,LudwigOrtmann/RIOT,nsol-nmsu/RIOT,DipSwitch/RIOT,cladmi/RIOT,aeneby/RIOT,Lexandro92/RIOT-CoAP,gautric/RIOT,rfuentess/RIOT,automote/RIOT,robixnai/RIOT,malosek/RIOT,MohmadAyman/RIOT,d00616/RIOT,alignan/RIOT,koenning/RIOT,DipSwitch/RIOT,khhhh/RIOT,rfswarm/RIOT,jasonatran/RIOT,syin2/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,OTAkeys/RIOT,patkan/RIOT,jferreir/RIOT,rfswarm/RIOT,sumanpanchal/RIOT,dailab/RIOT,d00616/RIOT,Ell-i/RIOT,MohmadAyman/RIOT,shady33/RIOT,emmanuelsearch/RIOT,TobiasFredersdorf/RIOT,daniel-k/RIOT,zhuoshuguo/RIOT,jferreir/RIOT,beurdouche/RIOT,ximus/RIOT,zhuoshuguo/RIOT,alignan/RIOT,dkm/RIOT,benoit-canet/RIOT,tfar/RIOT,automote/RIOT,DipSwitch/RIOT,jremmert-phytec-iot/RIOT,centurysys/RIOT,smlng/RIOT,rfswarm2/RIOT,RIOT-OS/RIOT,basilfx/RIOT,zhuoshuguo/RIOT,bartfaizoltan/RIOT,Darredevil/RIOT,gebart/RIOT,DipSwitch/RIOT,ks156/RIOT,AnonMall/RIOT,thomaseichinger/RIOT,rfswarm2/RIOT,tfar/RIOT,jfischer-phytec-iot/RIOT,x3ro/RIOT,lazytech-org/RIOT,miri64/RIOT,marcosalm/RIOT,PSHIVANI/Riot-Code,x3ro/RIOT,attdona/RIOT,marcosalm/RIOT,arvindpdmn/RIOT,biboc/RIOT,katezilla/RIOT,daniel-k/RIOT,stevenj/RIOT,asanka-code/RIOT,khhhh/RIOT,dkm/RIOT,arvindpdmn/RIOT,alignan/RIOT,marcosalm/RIOT,mziegert/RIOT,FrancescoErmini/RIOT,fnack/RIOT,phiros/RIOT,thomaseichinger/RIOT,khhhh/RIOT,jferreir/RIOT,haoyangyu/RIOT,neumodisch/RIOT,mziegert/RIOT,x3ro/RIOT,zhuoshuguo/RIOT,alignan/RIOT,LudwigOrtmann/RIOT,abp719/RIOT,yogo1212/RIOT,phiros/RIOT,marcosalm/RIOT,thomaseichinger/RIOT,openkosmosorg/RIOT,shady33/RIOT,rfswarm/RIOT,OTAkeys/RIOT,plushvoxel/RIOT,shady33/RIOT,OlegHahm/RIOT,tdautc19841202/RIOT,PSHIVANI/Riot-Code,binarylemon/RIOT,ThanhVic/RIOT,mtausig/RIOT,ant9000/RIOT,neumodisch/RIOT,PSHIVANI/Riot-Code,ThanhVic/RIOT,ks156/RIOT,kaleb-himes/RIOT,asanka-code/RIOT,ximus/RIOT,tfar/RIOT,avmelnikoff/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,phiros/RIOT,ntrtrung/RIOT,LudwigOrtmann/RIOT,rakendrathapa/RIOT,robixnai/RIOT,chris-wood/RIOT,gebart/RIOT,backenklee/RIOT,aeneby/RIOT,watr-li/RIOT,wentaoshang/RIOT,TobiasFredersdorf/RIOT,jbeyerstedt/RIOT-OTA-update,chris-wood/RIOT,MarkXYang/RIOT,EmuxEvans/RIOT,avmelnikoff/RIOT,sumanpanchal/RIOT,benoit-canet/RIOT,smlng/RIOT,rakendrathapa/RIOT,attdona/RIOT,Osblouf/RIOT,OTAkeys/RIOT,Yonezawa-T2/RIOT,latsku/RIOT,stevenj/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,LudwigOrtmann/RIOT,watr-li/RIOT,d00616/RIOT,robixnai/RIOT,jbeyerstedt/RIOT-OTA-update,AnonMall/RIOT,alex1818/RIOT,MonsterCode8000/RIOT,dhruvvyas90/RIOT,binarylemon/RIOT,adjih/RIOT,fnack/RIOT,attdona/RIOT,kushalsingh007/RIOT,Josar/RIOT,aeneby/RIOT,rfswarm2/RIOT,herrfz/RIOT,RBartz/RIOT,abp719/RIOT,abkam07/RIOT,hamilton-mote/RIOT-OS,jbeyerstedt/RIOT-OTA-update,luciotorre/RIOT,neumodisch/RIOT,abp719/RIOT,nsol-nmsu/RIOT,chris-wood/RIOT,koenning/RIOT,lebrush/RIOT,BytesGalore/RIOT,RBartz/RIOT,RBartz/RIOT,kaleb-himes/RIOT,jhollister/RIOT,LudwigKnuepfer/RIOT,roberthartung/RIOT,Hyungsin/RIOT-OS,rousselk/RIOT,kerneltask/RIOT,dhruvvyas90/RIOT,ks156/RIOT,gautric/RIOT,gebart/RIOT,herrfz/RIOT,emmanuelsearch/RIOT,toonst/RIOT,tdautc19841202/RIOT,altairpearl/RIOT,tdautc19841202/RIOT,basilfx/RIOT,Yonezawa-T2/RIOT,sgso/RIOT,josephnoir/RIOT,rakendrathapa/RIOT,changbiao/RIOT,herrfz/RIOT-old,rfswarm2/RIOT,plushvoxel/RIOT,ThanhVic/RIOT,altairpearl/RIOT,Ell-i/RIOT,abkam07/RIOT,ant9000/RIOT,mfrey/RIOT,stevenj/RIOT,miri64/RIOT,latsku/RIOT,AnonMall/RIOT,altairpearl/RIOT,benoit-canet/RIOT,rousselk/RIOT,arvindpdmn/RIOT,Josar/RIOT,chris-wood/RIOT,RubikonAlpha/RIOT,RubikonAlpha/RIOT,neumodisch/RIOT,aeneby/RIOT,abkam07/RIOT,Darredevil/RIOT,Yonezawa-T2/RIOT,beurdouche/RIOT,beurdouche/RIOT,l3nko/RIOT,Josar/RIOT,MonsterCode8000/RIOT,shady33/RIOT,MohmadAyman/RIOT,koenning/RIOT,JensErdmann/RIOT,katezilla/RIOT,toonst/RIOT,tfar/RIOT,TobiasFredersdorf/RIOT,Darredevil/RIOT,A-Paul/RIOT,kYc0o/RIOT,bartfaizoltan/RIOT,dhruvvyas90/RIOT,abkam07/RIOT,benoit-canet/RIOT,ant9000/RIOT,biboc/RIOT,kaleb-himes/RIOT,mfrey/RIOT,koenning/RIOT,1blankz7/RIOT,jhollister/RIOT,ximus/RIOT,beurdouche/RIOT,fnack/RIOT,BytesGalore/RIOT,centurysys/RIOT,kaspar030/RIOT,lebrush/RIOT,BytesGalore/RIOT,arvindpdmn/RIOT,RubikonAlpha/RIOT,shady33/RIOT,authmillenon/RIOT,RBartz/RIOT,rfswarm2/RIOT,RIOT-OS/RIOT,centurysys/RIOT,shady33/RIOT,backenklee/RIOT,dhruvvyas90/RIOT,Darredevil/RIOT,Osblouf/RIOT,cladmi/RIOT,backenklee/RIOT,bartfaizoltan/RIOT,Ell-i/RIOT,msolters/RIOT,msolters/RIOT,haoyangyu/RIOT,jbeyerstedt/RIOT-OTA-update,adjih/RIOT,rakendrathapa/RIOT,authmillenon/RIOT,zhuoshuguo/RIOT,OlegHahm/RIOT,openkosmosorg/RIOT,khhhh/RIOT,JensErdmann/RIOT,alex1818/RIOT,katezilla/RIOT,neumodisch/RIOT,roberthartung/RIOT,phiros/RIOT,malosek/RIOT,JensErdmann/RIOT,daniel-k/RIOT,patkan/RIOT,l3nko/RIOT,hamilton-mote/RIOT-OS,rakendrathapa/RIOT,d00616/RIOT,altairpearl/RIOT,Hyungsin/RIOT-OS,stevenj/RIOT,binarylemon/RIOT,changbiao/RIOT,bartfaizoltan/RIOT,watr-li/RIOT,gebart/RIOT,alignan/RIOT,neiljay/RIOT,immesys/RiSyn,thiagohd/RIOT,malosek/RIOT,ant9000/RIOT,RIOT-OS/RIOT,RIOT-OS/RIOT,haoyangyu/RIOT,khhhh/RIOT,plushvoxel/RIOT,asanka-code/RIOT,dailab/RIOT,msolters/RIOT,robixnai/RIOT,adrianghc/RIOT,MonsterCode8000/RIOT,MonsterCode8000/RIOT,gbarnett/RIOT,dhruvvyas90/RIOT,wentaoshang/RIOT,Osblouf/RIOT,haoyangyu/RIOT,DipSwitch/RIOT,sumanpanchal/RIOT,LudwigKnuepfer/RIOT,OlegHahm/RIOT,yogo1212/RIOT,mtausig/RIOT,Darredevil/RIOT,PSHIVANI/Riot-Code,daniel-k/RIOT,jremmert-phytec-iot/RIOT,gebart/RIOT,adrianghc/RIOT,hamilton-mote/RIOT-OS,kbumsik/RIOT,kaspar030/RIOT,adrianghc/RIOT,bartfaizoltan/RIOT,dhruvvyas90/RIOT,herrfz/RIOT,syin2/RIOT,herrfz/RIOT-old,kb2ma/RIOT,wentaoshang/RIOT,ks156/RIOT,jremmert-phytec-iot/RIOT,dailab/RIOT,kbumsik/RIOT