test: only run coveralls on travis

s/posttest:node/coverage Explicitly call coverage only from CI. This will stop the test suite from failing on a system not configured to authenticate with circle-ci

Author: MylesBorins

.travis.yml

@@ -13,3 +13,4 @@ install:
 script:
  - npm run lint
  - npm test
+ - npm run test:coverage

package.json

@@ -27,14 +27,14 @@
  "lint": "xo",
  "test": "npm run test:node && npm run test:browser",
  "test:node": "istanbul cover _mocha -- test.js",
- "posttest:node": "cat ./coverage/lcov.info | coveralls",
  "pretest:browser": "npm run build",
  "test:browser": "karma start --single-run",
  "prebuild:debug": "mkdir -p dist && browserify --standalone debug -o dist/debug.es6.js .",
  "build:debug": "babel -o dist/debug.js dist/debug.es6.js > dist/debug.js",
  "build:test": "babel -d dist test.js",
  "build": "npm run build:debug && npm run build:test",
- "clean": "rimraf dist coverage"
+ "clean": "rimraf dist coverage",
+ "test:coverage": "cat ./coverage/lcov.info | coveralls"
  },
  "dependencies": {
  "ms": "^2.1.1"