upgrade qunit-dom

Author: locks

package-lock.json

@@ -82,7 +82,7 @@
     "normalize.css": "^7.0.0",
     "nyc": "^14.1.1",
     "prettier": "^1.13.4",
-    "qunit-dom": "^0.8.4",
+    "qunit-dom": "^0.9.0",
     "sass": "^1.23.0-module.beta.1",
     "semver": "^6.3.0",
     "timekeeper": "^2.1.0"