Try to fix Snap.

package.json

@@ -30,11 +30,13 @@
     "bson": "^4.6.1",
     "bunyan": "^1.8.15",
     "core-js": "^2.6.12",
+    "cypress": "^4.12.1",
     "dompurify": "^2.3.6",
     "es6-promise": "^4.2.4",
     "exceljs": "^4.3.0",
     "fibers": "^5.0.1",
     "gridfs-stream": "https://github.com/wekan/gridfs-stream/tarball/master",
+    "jest": "^26.6.3",
     "jquery": "^2.2.4",
     "jquery-ui": "^1.13.0",
     "jquery-ui-touch-punch": "^0.2.3",