Merge "build: Switch QUnit package from deprecated 'qunitjs' to 'qunit'" into REL1_31

diff --combined package.json
index 416a23e,03fd7a8..b9a7ccc
--- 1/package.json
--- 2/package.json
+++ b/package.json
@@@ -5,8 -5,7 +5,8 @@@
      "qunit": "grunt qunit",
      "doc": "jsduck",
      "postdoc": "grunt copy:jsduck",
 -    "selenium": "./tests/selenium/selenium.sh"
 +    "selenium": "./tests/selenium/selenium.sh",
 +    "selenium-test": "grunt webdriver:test"
    },
    "devDependencies": {
      "bluebird": "3.5.1",
@@@ -26,10 -25,10 +26,10 @@@
      "karma-chrome-launcher": "2.2.0",
      "karma-firefox-launcher": "1.0.1",
      "karma-mocha-reporter": "2.2.5",
-     "karma-qunit": "1.2.1",
+     "karma-qunit": "2.0.1",
      "mwbot": "1.0.10",
      "postcss-less": "1.1.5",
-     "qunitjs": "2.4.1",
+     "qunit": "2.5.0",
      "stylelint": "9.2.0",
      "stylelint-config-wikimedia": "0.4.3",
      "wdio-junit-reporter": "0.2.0",