add test:e2e

e2e/karma.conf.js

@@ -0,0 +1,41 @@
+module.exports = function (config) {
+
+  config.set({
+    basePath: '',
+    frameworks: ['mocha'],
+    files: [
+      '**/*.test.js'
+    ],
+
+    preprocessors: {
+      '**/*.test.js': ['webpack']
+    },
+
+    port: 9876,
+    colors: true,
+    logLevel: config.LOG_INFO,
+
+    customLaunchers: {
+      FirefoxWebExtRunner: {
+        base: 'FirefoxWebExt',
+        sourceDirs: [ '.', 'e2e/ambassador'],
+      },
+    },
+    browsers: ['FirefoxWebExtRunner'],
+    sauceLabs: {
+      username: 'michael_jackson'
+    },
+
+    singleRun: true,
+
+    webpackMiddleware: {
+      noInfo: true
+    },
+
+    plugins: [
+      require('./karma-webext-launcher'),
+      'karma-mocha',
+      'karma-webpack',
+    ],
+  })
+}

package.json

@@ -7,6 +7,7 @@
     "package": "npm run build && script/package.sh",
     "lint": "eslint --ext .jsx,.js src",
     "test": "karma start",
+    "test:e2e": "karma start e2e/karma.conf.js",
     "ambassador:start": "webpack -w --debug  --context e2e/ambassador --devtool inline-source-map",
     "ambassador:build": "webpack --context e2e/ambassador"
   },