fix(@angular/cli): use inline sourcemaps in test

Fix #6737

Author: filipesilva

packages/@angular/cli/models/webpack-configs/browser.ts

@@ -42,6 +42,15 @@ export function getBrowserConfig(wco: WebpackConfigOptions) {
     }));
   }
 
+  if (buildOptions.sourcemaps) {
+    extraPlugins.push(new webpack.SourceMapDevToolPlugin({
+      filename: '[file].map[query]',
+      moduleFilenameTemplate: '[resource-path]',
+      fallbackModuleFilenameTemplate: '[resource-path]?[hash]',
+      sourceRoot: 'webpack:///'
+    }));
+  }
+
   return {
     plugins: [
       new HtmlWebpackPlugin({

packages/@angular/cli/models/webpack-configs/common.ts

@@ -65,15 +65,6 @@ export function getCommonConfig(wco: WebpackConfigOptions) {
     extraPlugins.push(new ProgressPlugin({ profile: buildOptions.verbose, colors: true }));
   }
 
-  if (buildOptions.sourcemaps) {
-    extraPlugins.push(new webpack.SourceMapDevToolPlugin({
-      filename: '[file].map[query]',
-      moduleFilenameTemplate: '[resource-path]',
-      fallbackModuleFilenameTemplate: '[resource-path]?[hash]',
-      sourceRoot: 'webpack:///'
-    }));
-  }
-
   if (buildOptions.showCircularDependencies) {
     extraPlugins.push(new CircularDependencyPlugin({
       exclude: /(\\|\/)node_modules(\\|\/)/