[AAE-12242] Fix code coverage (#8404)

* fix code coverage

lib/extensions/karma.conf.js

@@ -1,42 +1,57 @@
 // Karma configuration file, see link for more information
 // https://karma-runner.github.io/1.0/config/configuration-file.html
+const {join} = require('path');
+const {constants} = require('karma');
+
 module.exports = function (config) {
-  config.set({
-    basePath: '',
-    frameworks: ['jasmine', '@angular-devkit/build-angular'],
-    plugins: [
-      require('karma-jasmine'),
-      require('karma-chrome-launcher'),
-      require('karma-jasmine-html-reporter'),
-      require('karma-coverage'),
-      require('@angular-devkit/build-angular/plugins/karma'),
-      require('karma-mocha-reporter')
-    ],
-    client: {
-      clearContext: false // leave Jasmine Spec Runner output visible in browser
-    },
-    coverageIstanbulReporter: {
-      dir: require('path').join(__dirname, '../../coverage'),
-      reports: ['html', 'lcovonly'],
-      fixWebpackSourcePaths: true
-    },
-    reporters: ['mocha', 'kjhtml'],
-    port: 9876,
-    colors: true,
-    logLevel: config.LOG_INFO,
-    autoWatch: true,
-    browsers: ['ChromeHeadless'],
-    customLaunchers: {
-        ChromeHeadless: {
-            base: 'Chrome',
-            flags: [
-                '--no-sandbox',
-                '--headless',
-                '--disable-gpu',
-                '--remote-debugging-port=9222'
-          ]
-        }
-    },
-    singleRun: true
-  });
+    config.set({
+        basePath: '',
+        frameworks: ['jasmine', '@angular-devkit/build-angular'],
+        plugins: [
+            require('karma-jasmine'),
+            require('karma-chrome-launcher'),
+            require('karma-jasmine-html-reporter'),
+            require('karma-coverage'),
+            require('@angular-devkit/build-angular/plugins/karma'),
+            require('karma-mocha-reporter')
+        ],
+        client: {
+            clearContext: false // leave Jasmine Spec Runner output visible in browser
+        },
+        jasmineHtmlReporter: {
+            suppressAll: true, // removes the duplicated traces
+        },
+
+        coverageReporter: {
+            dir: join(__dirname, './coverage/extensions'),
+            subdir: '.',
+            reporters: [{type: 'html'}, {type: 'text-summary'}],
+            check: {
+                global: {
+                    statements: 75,
+                    branches: 67,
+                    functions: 73,
+                    lines: 75
+                }
+            }
+        },
+        reporters: ['mocha', 'kjhtml'],
+        port: 9876,
+        colors: true,
+        logLevel: constants.LOG_INFO,
+        autoWatch: true,
+        browsers: ['ChromeHeadless'],
+        customLaunchers: {
+            ChromeHeadless: {
+                base: 'Chrome',
+                flags: [
+                    '--no-sandbox',
+                    '--headless',
+                    '--disable-gpu',
+                    '--remote-debugging-port=9222'
+                ]
+            }
+        },
+        singleRun: true
+    });
 };