⚒ update test timeout

Author: mysticatea

package.json

@@ -48,7 +48,7 @@
     "pretest": "npm run -s lint",
     "test": "nyc npm run -s test:mocha",
     "test:ci": "nyc npm run -s test:mocha",
-    "test:mocha": "mocha \"tests/lib/**/*.js\" --reporter dot --timeout 4000",
+    "test:mocha": "mocha \"tests/lib/**/*.js\" --reporter dot --timeout 8000",
     "watch": "npm run -s test:mocha -- --watch --growl",
     "coverage": "nyc report --reporter lcov && opener coverage/lcov-report/index.html",
     "codecov": "nyc report --reporter lcovonly && codecov --disable=gcov"