Update config/karma.conf.js

Co-authored-by: Federico Maggi <7142570+fredmaggiowski@users.noreply.github.com>

Author: dibericky

config/karma.conf.js

@@ -19,7 +19,7 @@ module.exports = function (config) {
     // preprocess matching files before serving them to the browser
     // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
     preprocessors: {
-      './src/core.js': ['webpack', 'sourcemap'], // Same as entrypoint specified in webpack.config.js
+      './src/core.js': [ 'webpack', 'sourcemap' ], // Same as entrypoint specified in webpack.config.js
       './tests/unit/**/*.spec.js': ['webpack', 'sourcemap']
     },