clarified locales for testing in tests/readme
clarified locales for testing in tests/readme

xuhdev/nikola,pluser/nikola,immanetize/nikola,pluser/nikola,techdragon/nikola,yamila-moreno/nikola,x1101/nikola,s2hc-johan/nikola,immanetize/nikola,gwax/nikola,gwax/nikola,wcmckee/nikola,techdragon/nikola,wcmckee/nikola,getnikola/nikola,immanetize/nikola,TyberiusPrime/nikola,TyberiusPrime/nikola,jjconti/nikola,knowsuchagency/nikola,okin/nikola,schettino72/nikola,techdragon/nikola,x1101/nikola,schettino72/nikola,wcmckee/nikola,masayuko/nikola,xuhdev/nikola,okin/nikola,s2hc-johan/nikola,masayuko/nikola,atiro/nikola,berezovskyi/nikola,lucacerone/nikola,atiro/nikola,okin/nikola,xuhdev/nikola,lucacerone/nikola,pluser/nikola,JohnTroony/nikola,gwax/nikola,JohnTroony/nikola,TyberiusPrime/nikola,lucacerone/nikola,atiro/nikola,knowsuchagency/nikola,andredias/nikola,andredias/nikola,masayuko/nikola,yamila-moreno/nikola,berezovskyi/nikola,JohnTroony/nikola,getnikola/nikola,okin/nikola,jjconti/nikola,jjconti/nikola,getnikola/nikola,x1101/nikola,berezovskyi/nikola,getnikola/nikola,xuhdev/nikola,yamila-moreno/nikola,andredias/nikola,schettino72/nikola,s2hc-johan/nikola,knowsuchagency/nikola