thank you, this could have been a big issue.
I edited the tests and cleared that up in the description

thanks, i didn't even think about random tests.
added them now

hi, this is my first kata.
Feedback is really appreciated

I would propose making the on/off switch a boolean, not a String.
Also, ideally the problem should be more than a simple getter/setter/constructor setting. You can do those with just a click in an IDE

In the description it's stated "Note: input will never be an empty string"

but there is a random test with an empty string input. The note is wrong then

Language: Java

This was a really nice kata, thanks for creating

ImO the return empty string should not be needed.

In the Instructions it's clearly stated that: The minimum length of a word is 3;
This one test seems wrong.

phu that was hard.
My code looks way too much compared to others but... i still like that problem :)