diff --git a/web/.eslintrc.json b/web/.eslintrc.json
--- a/web/.eslintrc.json
+++ b/web/.eslintrc.json
@@ -1,6 +1,7 @@
 {
   "env": {
-    "browser": true
+    "browser": true,
+    "jest": true
   },
   "globals": {
     "process": true
diff --git a/web/package.json b/web/package.json
--- a/web/package.json
+++ b/web/package.json
@@ -29,6 +29,7 @@
     "css-loader": "^4.3.0",
     "flow-bin": "^0.158.0",
     "flow-typed": "^3.2.1",
+    "jest": "^26.6.3",
     "mini-css-extract-plugin": "^0.11.2",
     "optimize-css-assets-webpack-plugin": "^5.0.3",
     "style-loader": "^1.2.1",