chore(package): update qunit-dom to version 0.8.3

Closes #84

Author: greenkeeper[bot]

package.json

@@ -61,7 +61,7 @@
     "eslint-plugin-ember-suave": "^1.0.0",
     "eslint-plugin-node": "^7.0.1",
     "loader.js": "^4.7.0",
-    "qunit-dom": "^0.7.1"
+    "qunit-dom": "^0.8.3"
   },
   "engines": {
     "node": "6.* || 8.* || >= 10.*"