ci: change script to run coveralls

Author: Scrum

.travis.yml

@@ -7,7 +7,3 @@ node_js:
   - 4
   - 0.12
   - 0.10
-
-after_success:
-  - npm i coveralls
-  - cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js

package.json

@@ -10,6 +10,7 @@
   ],
   "devDependencies": {
     "chai": "^4.0.0",
+    "coveralls": "^3.0.3",
     "jsdoc-to-markdown": "^4.0.1",
     "mocha": "^6.1.4",
     "nyc": "^14.1.0",
@@ -18,7 +19,8 @@
   },
   "scripts": {
     "lint": "standard --env mocha",
-    "test": "nyc node_modules/mocha/bin/_mocha",
+    "test": "nyc mocha",
+    "coverage": "nyc report --reporter=text-lcov | coveralls",
     "docs": "jsdoc2md lib/*.js > RENDER.md",
     "release": "standard-version"
   },