chore(travis): update to use Chrome browser only

Author: ThomasBurleson

config/karma-sauce.conf.js

@@ -16,7 +16,7 @@ module.exports = function(config) {
     // Maximum 10 browsers - SauceLabs limit
     // Those pre-configured browsers will always run in the CI Release Mode to confirm, that all
     // previous jobs have passed.
-    browsers: ['SL_CHROME', 'SL_FIREFOX', 'SL_IE11'],
+    browsers: ['SL_CHROME'],   //, 'SL_FIREFOX', 'SL_IE11'],
     customLaunchers: require('./sauce-browsers.json'),
 
     captureTimeout: 180 * 1000,

scripts/travis-run-script.sh

@@ -21,7 +21,11 @@ gulp build
 # Wait for the tunnel to be ready
 ./scripts/sauce/wait-tunnel.sh
 
-gulp karma --config=config/karma-sauce.conf.js --browsers=$BROWSERS --reporters='dots'
+if [[ -n "$BROWSERS" ]]; then
+    gulp karma --config=config/karma-sauce.conf.js --browsers=$BROWSERS --reporters='dots'
+else
+    gulp karma --config=config/karma-sauce.conf.js --reporters='dots'
+fi
 
 # Shutdown the tunnel
 ./scripts/sauce/stop-tunnel.sh