upgrade to 3.0

Author: snewcomer

package.json

@@ -45,7 +45,7 @@
     "chai-fs": "^2.0.0",
     "co": "^4.6.0",
     "ember-ajax": "^3.0.0",
-    "ember-cli": "~2.18.0",
+    "ember-cli": "~3.0.0",
     "ember-cli-addon-tests": "^0.11.0",
     "ember-cli-dependency-checker": "^2.0.1",
     "ember-cli-eslint": "^4.2.1",
@@ -62,7 +62,7 @@
     "ember-maybe-import-regenerator-for-testing": "^1.0.0",
     "ember-resolver": "^4.3.0",
     "ember-sinon": "^1.0.0",
-    "ember-source": "~2.18.0",
+    "ember-source": "~3.0.0",
     "eslint-plugin-ember": "^5.0.0",
     "eslint-plugin-node": "^5.2.1",
     "glob": "^7.0.0",

testem.js

@@ -11,12 +11,14 @@ module.exports = {
     Chrome: {
       mode: 'ci',
       args: [
+        // --no-sandbox is needed when running Chrome inside a container
+        process.env.TRAVIS ? '--no-sandbox' : null,
+
         '--disable-gpu',
         '--headless',
-        '--no-sandbox',
         '--remote-debugging-port=0',
         '--window-size=1440,900'
-      ]
+      ].filter(Boolean)
     }
   }
 };

tests/dummy/config/targets.js

@@ -1,8 +1,16 @@
+const browsers = [
+  'last 1 Chrome versions',
+  'last 1 Firefox versions',
+  'last 1 Safari versions'
+];
+
+const isCI = !!process.env.CI;
+const isProduction = process.env.EMBER_ENV === 'production';
+
+if (isCI || isProduction) {
+  browsers.push('ie 11');
+}
+
 module.exports = {
-  browsers: [
-    'ie 9',
-    'last 1 Chrome versions',
-    'last 1 Firefox versions',
-    'last 1 Safari versions'
-  ]
+  browsers
 };