PLEASE HELP : Sudoku Solver Quality Assurance Project

Hello again, please help me out here and tell me why my Unit Tests are crashing and some of my functional tests are’t working. I think there is a syntax error that I am not aware of, I ran the Console Browser but I can’t see the issue. PLEASE HELP.

Screenshot_2021-03-18 freeCodeCamp org
Here is the error for the tests and the syntax somewhere in there about the value.

and here is a link to my repl.it : https://replit.com/join/uwuqbkep-kennethbit

I am making my way there, now my Functional Tests are fine I just need help with my unit tests and why value check on ‘/api/check’ is not working.