1 files changed, 8 insertions, 13 deletions
diff --git a/config/karma.config.js b/config/karma.config.js
index 3eb220eed99..28a688797d9 100644
--- a/config/karma.config.js
+++ b/config/karma.config.js
@@ -12,16 +12,14 @@ function fatalError(message) {
   process.exit(1);
 }
 
-// remove problematic plugins
-if (webpackConfig.plugins) {
-  webpackConfig.plugins = webpackConfig.plugins.filter(function(plugin) {
-    return !(
-      plugin instanceof webpack.optimize.CommonsChunkPlugin ||
-      plugin instanceof webpack.optimize.ModuleConcatenationPlugin ||
-      plugin instanceof webpack.DefinePlugin
-    );
-  });
-}
+// disable problematic options
+webpackConfig.entry = undefined;
+webpackConfig.mode = 'development';
+webpackConfig.optimization.runtimeChunk = false;
+webpackConfig.optimization.splitChunks = false;
+
+// use quicker sourcemap option
+webpackConfig.devtool = 'cheap-inline-source-map';
 
 const specFilters = argumentsParser
   .option(
@@ -77,9 +75,6 @@ if (specFilters.length) {
   );
 }
 
-webpackConfig.entry = undefined;
-webpackConfig.devtool = 'cheap-inline-source-map';
-
 // Karma configuration
 module.exports = function(config) {
   process.env.TZ = 'Etc/UTC';