dist/tools/testrunner: fix some pep8
dist/tools/testrunner: fix some pep8

cladmi/RIOT,miri64/RIOT,OTAkeys/RIOT,mtausig/RIOT,OlegHahm/RIOT,LudwigOrtmann/RIOT,LudwigOrtmann/RIOT,toonst/RIOT,biboc/RIOT,Josar/RIOT,avmelnikoff/RIOT,A-Paul/RIOT,BytesGalore/RIOT,toonst/RIOT,kaspar030/RIOT,kaspar030/RIOT,cladmi/RIOT,OlegHahm/RIOT,yogo1212/RIOT,kaspar030/RIOT,roberthartung/RIOT,aeneby/RIOT,x3ro/RIOT,ant9000/RIOT,immesys/RiSyn,immesys/RiSyn,biboc/RIOT,kbumsik/RIOT,LudwigOrtmann/RIOT,josephnoir/RIOT,jasonatran/RIOT,OTAkeys/RIOT,authmillenon/RIOT,mtausig/RIOT,LudwigOrtmann/RIOT,mtausig/RIOT,rfuentess/RIOT,toonst/RIOT,josephnoir/RIOT,roberthartung/RIOT,Josar/RIOT,RIOT-OS/RIOT,adrianghc/RIOT,OlegHahm/RIOT,adrianghc/RIOT,OTAkeys/RIOT,basilfx/RIOT,gebart/RIOT,OlegHahm/RIOT,aeneby/RIOT,LudwigKnuepfer/RIOT,neiljay/RIOT,OTAkeys/RIOT,aeneby/RIOT,x3ro/RIOT,toonst/RIOT,yogo1212/RIOT,LudwigKnuepfer/RIOT,ks156/RIOT,mtausig/RIOT,kYc0o/RIOT,basilfx/RIOT,x3ro/RIOT,OTAkeys/RIOT,Josar/RIOT,basilfx/RIOT,kYc0o/RIOT,ant9000/RIOT,authmillenon/RIOT,adrianghc/RIOT,LudwigKnuepfer/RIOT,kbumsik/RIOT,cladmi/RIOT,smlng/RIOT,OlegHahm/RIOT,jasonatran/RIOT,BytesGalore/RIOT,neiljay/RIOT,smlng/RIOT,RIOT-OS/RIOT,Josar/RIOT,aeneby/RIOT,A-Paul/RIOT,miri64/RIOT,x3ro/RIOT,authmillenon/RIOT,ks156/RIOT,roberthartung/RIOT,biboc/RIOT,miri64/RIOT,mfrey/RIOT,LudwigKnuepfer/RIOT,BytesGalore/RIOT,josephnoir/RIOT,rfuentess/RIOT,biboc/RIOT,RIOT-OS/RIOT,adrianghc/RIOT,biboc/RIOT,immesys/RiSyn,mfrey/RIOT,neiljay/RIOT,kYc0o/RIOT,immesys/RiSyn,gebart/RIOT,authmillenon/RIOT,jasonatran/RIOT,A-Paul/RIOT,yogo1212/RIOT,LudwigOrtmann/RIOT,gebart/RIOT,RIOT-OS/RIOT,aeneby/RIOT,Josar/RIOT,avmelnikoff/RIOT,authmillenon/RIOT,kbumsik/RIOT,kYc0o/RIOT,BytesGalore/RIOT,basilfx/RIOT,lazytech-org/RIOT,ks156/RIOT,yogo1212/RIOT,mtausig/RIOT,gebart/RIOT,smlng/RIOT,miri64/RIOT,toonst/RIOT,kaspar030/RIOT,LudwigKnuepfer/RIOT,roberthartung/RIOT,immesys/RiSyn,yogo1212/RIOT,lazytech-org/RIOT,rfuentess/RIOT,rfuentess/RIOT,x3ro/RIOT,A-Paul/RIOT,ant9000/RIOT,neiljay/RIOT,avmelnikoff/RIOT,kaspar030/RIOT,josephnoir/RIOT,jasonatran/RIOT,miri64/RIOT,lazytech-org/RIOT,rfuentess/RIOT,RIOT-OS/RIOT,A-Paul/RIOT,ant9000/RIOT,lazytech-org/RIOT,kYc0o/RIOT,ant9000/RIOT,jasonatran/RIOT,BytesGalore/RIOT,avmelnikoff/RIOT,cladmi/RIOT,immesys/RiSyn,lazytech-org/RIOT,smlng/RIOT,cladmi/RIOT,josephnoir/RIOT,smlng/RIOT,mfrey/RIOT,LudwigOrtmann/RIOT,yogo1212/RIOT,adrianghc/RIOT,kbumsik/RIOT,mfrey/RIOT,mfrey/RIOT,kbumsik/RIOT,avmelnikoff/RIOT,basilfx/RIOT,ks156/RIOT,ks156/RIOT,authmillenon/RIOT,neiljay/RIOT,roberthartung/RIOT,gebart/RIOT