Updated JSDOM

Author: aeagle

package-lock.json

@@ -50,7 +50,9 @@
     "awesome-typescript-loader": "^5.2.1",
     "babel-loader": "^8.0.6",
     "babel-plugin-external-helpers": "^6.22.0",
+    "cssstyle": "github:jsdom/cssstyle",
     "jest": "^25.4.0",
+    "jsdom": "^16.2.2",
     "node-sass": "^4.13.1",
     "prettier": "^1.19.1",
     "react": "^16.13.1",