Internet Explorer times out with Karma 6.x

[Trott]

Sauce Labs Internet Explorer times out with Karma 6.x and this plugin, but works fine in Karma 5.x.

Pull request updating my project from Karma 5.x to Karma 6.x: https://github.com/Trott/slug/pull/166

Relevant Karma config file: https://github.com/Trott/slug/blob/3c12c19b981e4320513e7a3c64367401b57a862b/.karma.config-ci.js

module.exports = function (config) {
  if (!process.env.SAUCE_USERNAME || !process.env.SAUCE_ACCESS_KEY) {
    console.log('Make sure the SAUCE_USERNAME and SAUCE_ACCESS_KEY environment variables are set.')
    process.exit(1)
  }

  const customLaunchers = {
    sl_chrome: {
      base: 'SauceLabs',
      browserName: 'chrome',
      browserVersion: 'latest'
    },
    sl_firefox: {
      base: 'SauceLabs',
      browserName: 'firefox',
      browserVersion: 'latest'
    },
    sl_ie_11: {
      base: 'SauceLabs',
      browserName: 'internet explorer',
      browserVersion: 'latest'
    }
  }

  config.set({
    frameworks: ['mocha', 'chai'],
    files: [
      'slug.js',
      'node_modules/requirejs/require.js', // Used to test loading via AMD.
      'test/**/*.js'
    ],
    reporters: ['dots', 'saucelabs'],
    port: 9876,
    colors: true,
    sauceLabs: {
      testName: 'slug',
      recordScreenshots: false,
      public: 'public',
    },
    autoWatch: false,
    concurrency: Infinity,
    customLaunchers: customLaunchers,
    browsers: Object.keys(customLaunchers),
    singleRun: true
  })
}

CI failture: https://github.com/Trott/slug/runs/1745550920?check_suite_focus=true

Relevant output:

21 01 2021 23:42:33.861:WARN [launcher]: internet explorer latest  on SauceLabs have not captured in 60000 ms, killing.
21 01 2021 23:42:34.128:INFO [SaucelabsLauncher]: Check if 'log.json' for browser 'internet explorer latest ' has already been stored.
21 01 2021 23:42:34.718:INFO [SaucelabsLauncher]: Check if 'log.json' for browser 'internet explorer latest ' has already been stored.
21 01 2021 23:42:35.309:INFO [SaucelabsLauncher]: Check if 'log.json' for browser 'internet explorer latest ' has already been stored.
21 01 2021 23:42:35.895:INFO [SaucelabsLauncher]: Check if 'log.json' for browser 'internet explorer latest ' has already been stored.
21 01 2021 23:42:36.734:INFO [SaucelabsLauncher]: Assets successfully uploaded for browser 'internet explorer latest ' and temporary assets are deleted.
21 01 2021 23:42:36.734:INFO [launcher]: Trying to start internet explorer latest  on SauceLabs again (1/2).
21 01 2021 23:42:50.456:INFO [SaucelabsLauncher]: internet explorer latest  session at https://saucelabs.com/tests/661f875cbeb641f2985c9e33d0608726
21 01 2021 23:43:36.748:WARN [launcher]: internet explorer latest  on SauceLabs have not captured in 60000 ms, killing.
21 01 2021 23:43:37.052:INFO [SaucelabsLauncher]: Check if 'log.json' for browser 'internet explorer latest ' has already been stored.
21 01 2021 23:43:37.767:INFO [SaucelabsLauncher]: Check if 'log.json' for browser 'internet explorer latest ' has already been stored.
21 01 2021 23:43:38.430:INFO [SaucelabsLauncher]: Check if 'log.json' for browser 'internet explorer latest ' has already been stored.
21 01 2021 23:43:39.050:INFO [SaucelabsLauncher]: Check if 'log.json' for browser 'internet explorer latest ' has already been stored.
21 01 2021 23:43:39.941:INFO [SaucelabsLauncher]: Assets successfully uploaded for browser 'internet explorer latest ' and temporary assets are deleted.
21 01 2021 23:43:39.942:INFO [launcher]: Trying to start internet explorer latest  on SauceLabs again (2/2).
21 01 2021 23:43:52.467:INFO [SaucelabsLauncher]: internet explorer latest  session at https://saucelabs.com/tests/afc5640c3aba4c548d3217c61b3474c0
21 01 2021 23:44:39.944:WARN [launcher]: internet explorer latest  on SauceLabs have not captured in 60000 ms, killing.
21 01 2021 23:44:40.200:INFO [SaucelabsLauncher]: Check if 'log.json' for browser 'internet explorer latest ' has already been stored.
21 01 2021 23:44:40.831:INFO [SaucelabsLauncher]: Check if 'log.json' for browser 'internet explorer latest ' has already been stored.
21 01 2021 23:44:41.510:INFO [SaucelabsLauncher]: Check if 'log.json' for browser 'internet explorer latest ' has already been stored.
21 01 2021 23:44:42.107:INFO [SaucelabsLauncher]: Check if 'log.json' for browser 'internet explorer latest ' has already been stored.
21 01 2021 23:44:42.696:INFO [SaucelabsLauncher]: Check if 'log.json' for browser 'internet explorer latest ' has already been stored.
21 01 2021 23:44:43.286:INFO [SaucelabsLauncher]: Check if 'log.json' for browser 'internet explorer latest ' has already been stored.
21 01 2021 23:44:43.877:INFO [SaucelabsLauncher]: Check if 'log.json' for browser 'internet explorer latest ' has already been stored.
21 01 2021 23:44:44.472:INFO [SaucelabsLauncher]: Check if 'log.json' for browser 'internet explorer latest ' has already been stored.
21 01 2021 23:44:45.064:INFO [SaucelabsLauncher]: Check if 'log.json' for browser 'internet explorer latest ' has already been stored.
21 01 2021 23:44:45.900:INFO [SaucelabsLauncher]: Assets successfully uploaded for browser 'internet explorer latest ' and temporary assets are deleted.
21 01 2021 23:44:45.901:ERROR [launcher]: internet explorer latest  on SauceLabs failed 2 times (timeout). Giving up.

[longlho]

might be bc of this https://github.com/karma-runner/karma/pull/3629

[Trott]

might be bc of this karma-runner/karma#3629

Yes, I applied that patch and it fixed this issue. 👍

[wswebcreation]

Cool, going to close this issue because it's not related to this module