Tests: Add qunitjs basic tests

Author: dmethvin

.eslintrc.js

@@ -1,4 +1,6 @@
 module.exports = {
+    root: true,
+
     // Support: IE11 without transpilation
     "parserOptions": {
         "ecmaVersion": 5

package-lock.json

@@ -38,14 +38,15 @@
     "build": "npm run lint && npm run minify",
     "minify": "uglifyjs -m -c --comments /Copyright/ -o jquery.mousewheel.min.js -- jquery.mousewheel.js",
     "lint": "eslint jquery.mousewheel.js",
-    "test": "echo whoops"
+    "test": "echo Load test/index.html in a browser for now"
   },
   "dependencies": {
     "jquery": ">=1.7.2"
   },
   "devDependencies": {
     "eslint": "^6.1.0",
     "eslint-config-jquery": "^2.0.0",
+    "qunit": "^2.9.2",
     "uglify-js": "^3.6.0"
   }
 }

package.json

@@ -0,0 +1,7 @@
+module.exports = {
+    "globals": {
+        "QUnit": "readonly"
+    },
+    "rules": {
+    }
+};