Move webpack test entry

karma.config.js

@@ -1,6 +1,6 @@
 const webpack = require('webpack')
 
-const testEntry = 'tests.webpack.js'
+const testEntry = 'src/tests.webpack.js'
 
 module.exports = function (config) {
   config.set({

src/tests.webpack.js

@@ -4,5 +4,5 @@
  *
  * See: https://github.com/webpack/docs/wiki/context
  */
-var context = require.context('./src', true, /-test\.js$/)
+var context = require.context('.', true, /-test\.js$/)
 context.keys().forEach(context)