test: foundation-sites (#829)

Author: evilebottnawi

package-lock.json

@@ -82,6 +82,7 @@
     "eslint-plugin-import": "^2.20.2",
     "fibers": "^4.0.2",
     "file-loader": "^6.0.0",
+    "foundation-sites": "^6.6.3",
     "husky": "^4.2.5",
     "jest": "^25.3.0",
     "lint-staged": "^10.1.3",