test: fix and simplify test configurations

karma.conf.js

 // Karma configuration file, see link for more information
 // https://karma-runner.github.io/1.0/config/configuration-file.html
 
-// Configuration used in test:sr
+// Configuration for test
 
 module.exports = function (config) {
   config.set({

karma_chrome.conf.js

@@ -11,16 +11,11 @@ module.exports = function (config) {
       require('karma-jasmine'),
       require('karma-jasmine-html-reporter'),
       require('karma-chrome-launcher'),
-      require('karma-coverage-istanbul-reporter'),
       require('@angular/cli/plugins/karma')
     ],
     client:{
       clearContext: false // leave Jasmine Spec Runner output visible in browser
     },
-    coverageIstanbulReporter: {
-      reports: [ 'html', 'lcovonly' ],
-      fixWebpackSourcePaths: true
-    },
     angularCli: {
       environment: 'prod'
     },

package.json

@@ -7,8 +7,8 @@
         "start": "ng serve --aot",
         "build": "ng build --prod --aot",
         "test": "ng test --config=karma_chrome.conf.js",
-        "test:sr": "ng test --progress=false",
-        "test:sr:chromium": "ng test --progress=false --config=karma_chromium.conf.js",
+        "test:sr": "ng test --code-coverage=true --progress=false",
+        "test:sr:chromium": "ng test --code-coverage=true --progress=false --config=karma_chromium.conf.js",
         "lint": "ng lint --type-check",
         "e2e": "ng e2e",
         "packagr": "ng-packagr -p ng-package.json"

src/polyfills.ts

@@ -43,7 +43,7 @@
 
 /** Evergreen browsers require these. **/
 // Used for reflect-metadata in JIT. If you use AOT (and only Angular decorators), you can remove.
-// import 'core-js/es7/reflect';
+import 'core-js/es7/reflect';
 
 
 /**