Unit testing Azure管道Junit报告上的角度单元测试不总是生成

我为相同的代码库（意味着相同的分支）运行了Azure CI/CD管道，但有时它成功地创建了

Junit

报告，但有时它无法生成报告，并且在

控制台中没有错误。注意，它总是生成
cobertura coverage
报告，因此我很难找到实际问题

karma.conf.js
// Karma configuration file, see link for more information
// https://karma-runner.github.io/1.0/config/configuration-file.html
const { join } = require('path');
module.exports = function (config) {
  const puppeteer = require('puppeteer');
  process.env.CHROME_BIN = puppeteer.executablePath();
  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('karma-junit-reporter'),
      require('karma-coverage-istanbul-reporter'),
      require('@angular-devkit/build-angular/plugins/karma')
    ],
    client: {
      jasmine: {
        random: false,
      },
      clearContext: false // leave Jasmine Spec Runner output visible in browser
    },
    files: [
      // Include a Material theme in the test suite.
      { pattern: './node_modules/@angular/material/prebuilt-themes/indigo-pink.css', included: true, watched: true }
    ],
    coverageIstanbulReporter: {
      dir: 'coverage',
      reports: ['lcovonly', 'text', 'cobertura'],
      fixWebpackSourcePaths: true
    },
    junitReporter: {
      outputDir: join(__dirname, 'testresults'),
      outputFile: 'unit-test-result.xml',
      useBrowserName: false
    },
    reporters: ['progress', 'kjhtml', 'junit'],
    port: 9876,
    colors: true,
    logLevel: config.LOG_INFO,
    autoWatch: true,
    browsers: ['Chrome'],
    customLaunchers: {
      ChromeHeadlessCI: {
        base: 'ChromeHeadless',
        flags: [
          '--no-sandbox',
          '--disable-web-security',
          '--disable-gpu']
      }
    },
    singleRun: false,
    captureTimeout: 190000, // default: 60000
    browserDisconnectTimeout: 190000,
    retryLimit: 4,
    browserDisconnectTolerance: 6,
    browserNoActivityTimeout: 190000,// default: 10000
  });
};