limit the number of simultaneous browsers in Karma tests

Author: JamesMessinger

karma.conf.js

@@ -115,16 +115,6 @@ function configureSauceLabs (config) {
   };
 
   config.customLaunchers = {
-    SauceLabs_Chrome_Latest: {
-      base: 'SauceLabs',
-      platform: 'Windows 10',
-      browserName: 'chrome'
-    },
-    SauceLabs_Firefox_Latest: {
-      base: 'SauceLabs',
-      platform: 'Windows 10',
-      browserName: 'firefox'
-    },
     SauceLabs_Safari_Latest: {
       base: 'SauceLabs',
       platform: 'macOS 10.12',
@@ -140,6 +130,16 @@ function configureSauceLabs (config) {
       platform: 'Windows 10',
       browserName: 'microsoftedge'
     },
+    SauceLabs_Chrome_Latest: {
+      base: 'SauceLabs',
+      platform: 'Windows 10',
+      browserName: 'chrome'
+    },
+    SauceLabs_Firefox_Latest: {
+      base: 'SauceLabs',
+      platform: 'Windows 10',
+      browserName: 'firefox'
+    },
   };
 
   config.reporters.push('saucelabs');

test/fixtures/test-helper.js

@@ -30,8 +30,8 @@
       describe(suite, function () {
         var tests = Object.keys(testData[suite]);
 
-        if (host.env.CI && host.karma && host.browser && (host.browser.IE || host.browser.safari)) {
-          // These browsers sporadically fail when run in SauceLabs via Karma.
+        if (host.env.CI && host.karma && host.browser) {
+          // We have too many tests, which causes SauceLabs browser tests to frequently fail.
           // So only run a subset of the tests to reduce the chance of failure.
           tests = tests.filter(function (test, index) {
             if (index % 25 === 0) {