The instructions could use a bit of work on specifying the anchor.

Thanks I got it, at the end I just had some silly mistakes.

I forgot to move those statements, but I still get an error

Testing arithmetic
Addition
error
Subtraction
error
Dot Product
Test Passed: Value == 26
Test Passed: Value == 26
Expected error was thrown: function (){
console.log('error');
}
Test Passed
Norms
Test Passed
Test Passed
Test Passed
Auxiliary function
Equality
Test Passed
Test Passed
Value is not what was expected
Test Passed
Test Passed
Strings
ReferenceError: Invalid left-hand side in assignment at toString at Object.Test.it at Object.Test.describe at Object.

I postef the code

I know that I could still be wrong but I just dont see it.

I have the correct function/output but the tester function marks it as incorrect