Angular Karma configuration for VSTS with junit & cobertura coverage config

karma.conf.js

// Karma configuration file, see link for more information
// https://karma-runner.github.io/0.13/config/configuration-file.html
process.env.CHROME_BIN = require('puppeteer').executablePath();

module.exports = function (config) {
  config.set({
    basePath: '',
    frameworks: ['jasmine', '@angular/cli'],
    plugins: [
      require('karma-jasmine'),
      require('karma-chrome-launcher'),
      require('karma-jasmine-html-reporter'),
      require('karma-coverage-istanbul-reporter'),
      require('@angular/cli/plugins/karma'),
      require('karma-junit-reporter'),
      require('karma-spec-reporter')
    ],
    customLaunchers: {
      ChromeHeadless: {
        base: 'Chrome',
        flags: [
          // See https://chromium.googlesource.com/chromium/src/+/lkgr/headless/README.md
          '--headless',
          '--disable-gpu',
          // Without a remote debugging port, Google Chrome exits immediately.
          '--remote-debugging-port=9222',
          '--disable-translate',
          '--disable-extensions'
        ],
      }
    },
    client: {
      clearContext: false // leave Jasmine Spec Runner output visible in browser
    },
    files: [
      {pattern: './src/test.ts', watched: false},
      {pattern: './node_modules/hammerjs/hammer.min.js'},
      {pattern: './node_modules/@angular/material/prebuilt-themes/indigo-pink.css', included: true, watched: true},
    ],
    preprocessors: {
      './src/test.ts': ['@angular/cli']
    },
    mime: {
      'text/x-typescript': ['ts', 'tsx']
    },
    remapIstanbulReporter: {
      reports: {
        html: 'coverage',
        lcovonly: './coverage/coverage.lcov'
      }
    },
    specReporter: {
      maxLogLines: 5,
      suppressErrorSummary: false, // do not print error summary
      suppressFailed: false,       // print info about failed tests
      suppressPassed: false,       // print info about passed tests
      suppressSkipped: true,       // do not print info about skipped tests
      showSpecTiming: true,        // print time elapsed for each spec
      failFast: false              // keep running tests after first error found
    },
    coverageIstanbulReporter: {
      reports: ['html', 'lcovonly', 'text-summary', 'cobertura'],
      fixWebPackSourcePaths: true
    },
    angularCli: {
      environment: 'dev'
    },
    reporters: config.angularCli && config.angularCli.codeCoverage
      ? ['spec', 'coverage-istanbul', 'junit']
      : ['progress', 'kjhtml', 'junit'],
    port: 9876,
    colors: true,
    logLevel: config.LOG_INFO,
    autoWatch: false,
    browsers: ['ChromeHeadless'],
    singleRun: true,
    junitReporter: {
      outputDir: 'test',
      outputFile: 'test.xml'
    }
  });
};