chore(travis): more script fixes

Author: ThomasBurleson

config/sauce-browsers.json

@@ -18,7 +18,7 @@
   "SL_FIREFOX": {
     "base": "SauceLabs",
     "browserName": "firefox",
-    "version": "latest"
+    "version": "latest-1"
   },
   "SL_FIREFOXBETA": {
     "base": "SauceLabs",

scripts/travis-run-script.sh

@@ -6,12 +6,6 @@ set -xe
 # Ensure that scripts will run from project dir.
 cd $(dirname $0)/..
 
-# This is the default set of browsers to use on the CI server unless overridden via env variable
-if [[ -z "$BROWSERS" ]]
-then
-  BROWSERS="Chrome,Firefox"
-fi
-
 # When Travis CI specifies an Angular version, try to install those for tests.
 if [[ -n "$NG_VERSION" ]]; then
   ./scripts/fetch-angular-version.sh "$NG_VERSION"
@@ -27,7 +21,7 @@ gulp build
 # Wait for the tunnel to be ready
 ./scripts/sauce/wait-tunnel.sh
 
-gulp karma --config=config/karma-sauce.conf.js --browsers=$BROWSER --reporters='dots'
+gulp karma --config=config/karma-sauce.conf.js --browsers=$BROWSERS --reporters='dots'
 
 # Shutdown the tunnel
 ./scripts/sauce/stop-tunnel.sh