fixing travis

Author: mansona

.travis.yml

@@ -3,7 +3,7 @@ language: node_js
 node_js:
   # we recommend testing addons with the same minimum supported node version as Ember CLI
   # so that your addon works for all apps
-  - "6"
+  - "8"
 
 sudo: false
 dist: trusty
@@ -52,10 +52,5 @@ jobs:
     - env: EMBER_TRY_SCENARIO=ember-canary
     - env: EMBER_TRY_SCENARIO=ember-default-with-jquery
 
-before_install:
-  - npm config set spin false
-  - npm install -g npm@4
-  - npm --version
-
 script:
   - node_modules/.bin/ember try:one $EMBER_TRY_SCENARIO

package-lock.json

@@ -43,7 +43,6 @@
     "ember-cli": "~3.7.1",
     "ember-cli-dependency-checker": "^3.0.0",
     "ember-cli-eslint": "^4.2.3",
-    "ember-cli-htmlbars": "^3.0.0",
     "ember-cli-htmlbars-inline-precompile": "^1.0.3",
     "ember-cli-inject-live-reload": "^1.8.2",
     "ember-cli-sri": "^2.1.1",
@@ -57,7 +56,7 @@
     "ember-resolver": "^5.0.1",
     "ember-source": "~3.7.0",
     "ember-source-channel-url": "^1.1.0",
-    "ember-try": "^1.0.0",
+    "ember-try": "^1.2.1",
     "eslint-plugin-ember": "^5.2.0",
     "eslint-plugin-node": "^7.0.1",
     "loader.js": "^4.7.0",