Use a reporter that doesn't clear the output before reporting

Author: caldav

package.json

@@ -20,7 +20,7 @@
     "lint-polymer": "polymer lint -i src/*.html -i src/elements/*",
     "lint-style": "npm-run-all lint-style-*",
     "lint-style-html": "stylelint 'src/**/*.html' --extract",
-    "lint-content": "mocha -R min",
+    "lint-content": "mocha -R mocha-minimalist-reporter",
     "polymer": "./bin/polymer",
     "polymer-build": "npm-run-all 'polymer build {@}' --",
     "polymer-lint": "npm-run-all 'polymer lint {@}' --",
@@ -38,6 +38,7 @@
     "find": "^0.2.7",
     "gray-matter": "^3.1.1",
     "mocha": "^4.0.1",
+    "mocha-minimalist-reporter": "^1.1.0",
     "npm-run-all": "^4.0.2",
     "polymer-cli": "^1.5.7",
     "prpl-server": "^1.0.0",

yarn.lock

@@ -4397,6 +4397,10 @@ mkdirp@0.5.1, mkdirp@^0.5.0, mkdirp@^0.5.1:
   dependencies:
     minimist "0.0.8"
 
+mocha-minimalist-reporter@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/mocha-minimalist-reporter/-/mocha-minimalist-reporter-1.1.0.tgz#94c5aafbd1a224f583dafe52d407804ab9e9410e"
+
 mocha@^3.4.2:
   version "3.5.3"
   resolved "https://registry.yarnpkg.com/mocha/-/mocha-3.5.3.tgz#1e0480fe36d2da5858d1eb6acc38418b26eaa20d"