ci: Remove saucelabs (#4530)

README.md

@@ -32,11 +32,6 @@
 [![gzip size](http://img.badgesize.io/https://unpkg.com/preact/dist/preact.min.js?compression=gzip&label=gzip)](https://unpkg.com/preact/dist/preact.min.js)
 [![brotli size](http://img.badgesize.io/https://unpkg.com/preact/dist/preact.min.js?compression=brotli&label=brotli)](https://unpkg.com/preact/dist/preact.min.js)
 
-</td>
-<td>
-
-<img src="https://saucelabs.com/browser-matrix/preact.svg" title="Browser support matrix">
-
 </td>
 </tr>
 </tbody>

karma.conf.js

@@ -1,9 +1,6 @@
 var coverage = String(process.env.COVERAGE) === 'true',
  minify = String(process.env.MINIFY) === 'true',
- ci = String(process.env.CI).match(/^(1|true)$/gi),
- sauceLabs = ci && String(process.env.RUN_SAUCE_LABS) === 'true',
- // always downlevel to ES5 for saucelabs:
- downlevel = sauceLabs || String(process.env.DOWNLEVEL) === 'true',
+ downlevel = String(process.env.DOWNLEVEL) === 'true',
  performance = !coverage && String(process.env.PERFORMANCE) !== 'false',
  path = require('path'),
  errorstacks = require('errorstacks'),
@@ -40,40 +37,6 @@ process.stdout.write = msg => {
  return orgStdoutWrite.call(process.stdout, out);
 };
 
-var sauceLabsLaunchers = {
- sl_chrome: {
- base: 'SauceLabs',
- browserName: 'chrome',
- platform: 'Windows 10'
- },
- sl_firefox: {
- base: 'SauceLabs',
- browserName: 'firefox',
- platform: 'Windows 10'
- },
- // TODO: Safari always fails and disconnects before any tests are executed.
- // This seems to be an issue with Saucelabs and they're actively investigating
- // that (see: https://mobile.twitter.com/bromann/status/1136323458328084482).
- // We'll disable Safari for now until that's resolved.
- // sl_safari: {
- // base: 'SauceLabs',
- // browserName: 'Safari',
- // version: '11',
- // platform: 'OS X 10.13'
- // },
- sl_edge: {
- base: 'SauceLabs',
- browserName: 'MicrosoftEdge',
- platform: 'Windows 10'
- },
- sl_ie_11: {
- base: 'SauceLabs',
- browserName: 'internet explorer',
- version: '11.0',
- platform: 'Windows 7'
- }
-};
-
 var localLaunchers = {
  ChromeNoSandboxHeadless: {
  base: 'Chrome',
@@ -251,16 +214,11 @@ function createEsbuildPlugin() {
 
 module.exports = function (config) {
  config.set({
- browsers: sauceLabs
- ? Object.keys(sauceLabsLaunchers)
- : Object.keys(localLaunchers),
+ browsers: Object.keys(localLaunchers),
 
  frameworks: ['mocha', 'chai-sinon'],
 
- reporters: ['mocha'].concat(
- coverage ? 'coverage' : [],
- sauceLabs ? 'saucelabs' : []
- ),
+ reporters: ['mocha'].concat(coverage ? 'coverage' : []),
 
  formatError(msg) {
  const frames = errorstacks.parseStackTrace(msg);
@@ -295,22 +253,9 @@ module.exports = function (config) {
 
  browserNoActivityTimeout: 5 * 60 * 1000,
 
- // Use only two browsers concurrently, works better with open source Sauce Labs remote testing
- concurrency: 2,
-
  captureTimeout: 0,
 
- sauceLabs: {
- build: `CI #${process.env.GITHUB_RUN_NUMBER} (${process.env.GITHUB_RUN_ID})`,
- tunnelIdentifier:
- process.env.GITHUB_RUN_NUMBER ||
- `local${require('./package.json').version}`,
- connectLocationForSERelay: 'localhost',
- connectPortForSERelay: 4445,
- startConnect: !!sauceLabs
- },
-
- customLaunchers: sauceLabs ? sauceLabsLaunchers : localLaunchers,
+ customLaunchers: localLaunchers,
 
  files: [
  { pattern: 'test/polyfills.js', watched: false },