Revert "try using test requirements with appveyor"
Revert "try using test requirements with appveyor"

This reverts commit a28f1291c371e8b6adecaa285eda3b50047103b7.

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