Default code produced by Yeoman: http://yeoman.io/ and Seth Mcl's generator-selenium-nightwatchjs at https://github.com/sethmcl/generator-selenium-nightwatch.
Install Nightwatch from the Command Line: npm install -g nightwatchjs
Cannot run out of the box. Hasn't been updated in four years. More to compare scaffolding than anything.
C:\Users\tmaher\Documents\code\github\older-nightwatch-generated-by-yo>nightwatch -tests Error: Cannot read source folder: C:\Users\tmaher\Documents\code\github\older-nightwatch-generated-by-yo\examples\tests at C:\Users\tmaher\AppData\Roaming\npm\node_modules\nightwatch\lib\runner\run.js:200:21 at C:\Users\tmaher\AppData\Roaming\npm\node_modules\nightwatch\lib\runner\walk.js:97:18 at FSReqWrap.oncomplete (fs.js:82:15)