Karma-sinon-chai Fails After Moving To Windows

I have unit tests running under Karma, and am using the sinon-chai library. Everything was working fine on Mac, but now I have moved to Windows the following error is occuring: C:\

Solution 1:

Downgrading karma-sinon-chai from 1.0.0 to 0.3.2 fixed this problem for us. A github issue has already been filed, I assume this will be fixed very quickly. https://github.com/kmees/karma-sinon-chai/issues/21

npm install karma-sinon-chai@0.3.2 --save-dev