Update qunit-dom to v0.6.3

Author: Turbo87

package-lock.json

@@ -72,7 +72,7 @@
     "loader.js": "^4.5.1",
     "normalize.css": "^7.0.0",
     "nyc": "^11.6.0",
-    "qunit-dom": "^0.5.0",
+    "qunit-dom": "^0.6.3",
     "timekeeper": "^2.1.0"
   },
   "engines": {