npm run test fails on windows 10

```
git clone https://github.com/C2FO/werker.git
npm install
npm run test
```
     Error: kill ENOSYS

Is there any way to get this package to work on Windows 10?
Thanks. 

[windows10.txt](https://github.com/C2FO/werker/files/737748/windows10.txt)
[npm-debug.txt](https://github.com/C2FO/werker/files/737751/npm-debug.txt)