Typo fixed in KataPotter tests file
Typo fixed in KataPotter tests file

bfontaine/Katas,bfontaine/Katas,bfontaine/Katas,bfontaine/Katas,bfontaine/Katas,bfontaine/Katas,bfontaine/Katas,bfontaine/Katas,bfontaine/Katas,bfontaine/Katas,bfontaine/Katas,bfontaine/Katas