Angular Unit Tests are working locally but killed in GitLab CI using Karma

Issue in running Unit tests using Karma for Angular project in GitLab CI, after the Unit Tests run using: npm run ng test --watch=false --browsers=ChromeHeadlessNoSandbox The result is killed:

16 11 2021 06:49:26.978:INFO [launcher]: Launching browsers ChromeHeadlessNoSandbox with concurrency unlimited

16 11 2021 06:49:26.986:INFO [launcher]: Starting browser ChromeHeadless ✔ Browser application bundle generation complete.

16 11 2021 06:50:12.722:INFO [Chrome Headless 96.0.4664.45 (Linux x86_64)]: Connected on socket Kr5liuJXMmWTQGbpAAAB with id 63497465

Killed

Cleaning up file based variables

karma.conf.js:

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')
],
client: {
clearContext: false, // leave Jasmine Spec Runner output visible in browser
jasmine: {
random: false
}
},
coverageIstanbulReporter: {
dir: require('path').join(__dirname, './coverage/daiconnect'),
reports: ['html', 'lcovonly', 'text-summary'],
fixWebpackSourcePaths: true
},
reporters: ['progress', 'kjhtml'],
port: 9876,
colors: true,
logLevel: config.LOG_INFO,
autoWatch: true,
browsers: ['ChromeHeadlessNoSandbox'],
singleRun: true,
restartOnFileChange: false,
customLaunchers: {
ChromeHeadlessNoSandbox: {
base: 'ChromeHeadless',
flags: [
'--no-sandbox',
'--disable-gpu',
//'--headless',
'--enable-logging',
'--no-default-browser-check',
'--no-first-run',
'--disable-default-apps',
'--disable-popup-blocking',
'--disable-translate',
'--disable-background-timer-throttling',
'--disable-renderer-backgrounding',
'--disable-device-discovery-notifications',
'--remote-debugging-port=9222',
'--disable-web-security'
]
}
},
captureTimeout: 210000,
browserDisconnectTolerance: 3,
browserDisconnectTimeout: 210000,
browserNoActivityTimeout: 210000
});
};

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