test(mocha): add test:watch script

that clears console before each test run

Author: jedwards1211

package.json

@@ -14,6 +14,7 @@
     "copy-flow-files": "cd src; copy *.js.flow **/*.js.flow ../lib",
     "build": "rimraf lib && babel src --out-dir lib",
     "test": "NODE_ENV=production BABEL_ENV=test nyc --reporter=lcov --reporter=text mocha $npm_package_config_mocha",
+    "test:watch": "mocha --watch $npm_package_config_mocha",
     "commitmsg": "validate-commit-msg",
     "precommit": "npm run lint && flow",
     "prepush": "npm test",

test/clearConsole.js

@@ -0,0 +1,6 @@
+/* eslint-env node */
+
+if (process.argv.indexOf('--watch') >= 0) {
+  before(() => process.stdout.write('\u001b[2J\u001b[1;1H\u001b[3J'))
+}
+