feat(featuresloader): allow to use featuresLoader with Webpack

Author: lgandecki

lib/featuresLoader.js

@@ -59,7 +59,7 @@ const createCucumber = (
     .join("\n")}
   `;
 
-module.exports = function(_, filePath) {
+module.exports = function(_, filePath = this.resourcePath) {
   log("compiling", filePath);
 
   const features = glob.sync(`${path.dirname(filePath)}/**/*.feature`);