Setup Cypress linting

.eslintignore

@@ -4,3 +4,4 @@ build/*
 intl/*
 locales/*
 **/*.min.js
+**/node_modules/*

package.json

@@ -47,6 +47,7 @@
     "css-loader": "0.23.1",
     "eslint": "4.7.1",
     "eslint-config-scratch": "5.0.0",
+    "eslint-plugin-cypress": "^2.0.1",
     "eslint-plugin-json": "1.2.0",
     "eslint-plugin-react": "7.4.0",
     "exenv": "1.2.0",

test/integration-cypress/.eslintrc

+{
+  "plugins": [
+    "cypress"
+  ],
+  "env": {
+    "cypress/globals": true
+  }
+}