Merge pull request remix-run#2535 from taion/fix-configs

Fix build configs

Author: mjackson

.travis.yml

@@ -1,7 +1,10 @@
 language: node_js
 node_js:
-- "4"
+- stable
 sudo: false
+cache:
+  directories:
+  - node_modules
 before_script:
 - wget http://www.browserstack.com/browserstack-local/BrowserStackLocal-linux-x64.zip
 - unzip BrowserStackLocal-linux-x64.zip

package.json

@@ -60,7 +60,6 @@
     "karma-browserstack-launcher": "^0.1.4",
     "karma-chrome-launcher": "^0.2.0",
     "karma-coverage": "^0.5.3",
-    "karma-firefox-launcher": "^0.1.6",
     "karma-mocha": "^0.2.0",
     "karma-mocha-reporter": "^1.1.1",
     "karma-sourcemap-loader": "^0.3.5",

tests.webpack.js

@@ -1,2 +1,2 @@
-var context = require.context('./modules', true, /-test\.js$/);
-context.keys().forEach(context);
+const context = require.context('./modules', true, /-test\.js$/)
+context.keys().forEach(context)