karma.conf.js

const { join } = require('path');
const { constants } = require('karma');

module.exports = () => {
    return {
        basePath: '',
        frameworks: [
            'jasmine',
            '@angular-devkit/build-angular'
        ],
        plugins: [
            require('karma-jasmine'),
            require('karma-chrome-launcher'),
            require('karma-coverage'),
            require('karma-junit-reporter'),
            require('@angular-devkit/build-angular/plugins/karma')
        ],
        client: {
            clearContext: true,
            jasmine: {
                random: false
            }
        },
        angularCli: {
            sourceMap: true
        },

        reporters: [
            'dots',
            'junit'
        ],

        port: 9876,
        colors: true,
        logLevel: constants.LOG_INFO,
        autoWatch: false,
        singleRun: true,

        junitReporter: {
            outputDir: process.env.JUNIT_REPORT_PATH || join(__dirname, './dist/reports/junit'),
            outputFile: process.env.JUNIT_REPORT_NAME || join(__dirname, './dist/reports/junit/test-results.xml'),
            suite: '', // suite will become the package name attribute in xml testsuite element
            useBrowserName: true, // add browser name to report and classes names
            nameFormatter: undefined, // function (browser, result) to customize the name attribute in xml testcase element
            classNameFormatter: undefined, // function (browser, result) to customize the classname attribute in xml testcase element
            properties: {} // key value pair of properties to add to the <properties> section of the report
        },

        customLaunchers: {
            ChromeHeadlessLocal: {
                base: 'ChromeHeadless',
                flags: [
                    '--window-size=1024,768',
                    '--no-sandbox'
                ],
                debug: true
            }
        },

        browsers: ['ChromeHeadlessLocal']
    };
};